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1408640112 = 2433112511181
BaseRepresentation
bin101001111110110…
…0010010001110000
310122011121022222000
41103331202101300
510341102440422
6351440014000
746623146325
oct12375422160
93564538860
101408640112
11663160190
12333901300
13195ab5379
14d5120b4c
15839eecac
hex53f62470

1408640112 has 160 divisors (see below), whose sum is σ = 4432216320. Its totient is φ = 424800000.

The previous prime is 1408640099. The next prime is 1408640161. The reversal of 1408640112 is 2110468041.

It is a happy number.

1408640112 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 640 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192162 + ... + 1193342.

It is an arithmetic number, because the mean of its divisors is an integer number (27701352).

Almost surely, 21408640112 is an apocalyptic number.

1408640112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1408640112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216108160).

1408640112 is an abundant number, since it is smaller than the sum of its proper divisors (3023576208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1408640112 is a wasteful number, since it uses less digits than its factorization.

1408640112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1408640112 is about 37531.8546304336. The cubic root of 1408640112 is about 1120.9855568134.

The spelling of 1408640112 in words is "one billion, four hundred eight million, six hundred forty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 132 144 176 198 216 251 264 297 396 432 502 528 594 753 792 1004 1181 1188 1506 1584 2008 2259 2362 2376 2761 3012 3543 4016 4518 4724 4752 5522 6024 6777 7086 8283 9036 9448 10629 11044 12048 12991 13554 14172 16566 18072 18896 21258 22088 24849 25982 27108 28344 31887 33132 36144 38973 42516 44176 49698 51964 54216 56688 63774 66264 74547 77946 85032 99396 103928 108432 116919 127548 132528 149094 155892 170064 198792 207856 233838 255096 296431 298188 311784 350757 397584 467676 510192 592862 596376 623568 701514 889293 935352 1185724 1192752 1403028 1778586 1870704 2371448 2667879 2806056 3260741 3557172 4742896 5335758 5612112 6521482 7114344 8003637 9782223 10671516 13042964 14228688 16007274 19564446 21343032 26085928 29346669 32014548 39128892 42686064 52171856 58693338 64029096 78257784 88040007 117386676 128058192 156515568 176080014 234773352 352160028 469546704 704320056 1408640112