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122466816 = 29342953
BaseRepresentation
bin1110100110010…
…11001000000000
322112102221220000
413103023020000
5222322414231
620052520000
73014644053
oct723131000
9275387800
10122466816
116314714a
1235020000
131c4ab994
141239ca9a
15ab416e6
hex74cb200

122466816 has 100 divisors (see below), whose sum is σ = 365654982. Its totient is φ = 40808448.

The previous prime is 122466809. The next prime is 122466829. The reversal of 122466816 is 618664221.

It can be written as a sum of positive squares in only one way, i.e., 87609600 + 34857216 = 9360^2 + 5904^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39996 + ... + 42948.

Almost surely, 2122466816 is an apocalyptic number.

122466816 is a gapful number since it is divisible by the number (16) 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 122466816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182827491).

122466816 is an abundant number, since it is smaller than the sum of its proper divisors (243188166).

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

122466816 is an frugal number, since it uses more digits than its factorization.

122466816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2958 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 122466816 is about 11066.4726087403. The cubic root of 122466816 is about 496.5993448582.

The spelling of 122466816 in words is "one hundred twenty-two million, four hundred sixty-six thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1152 1296 1536 1728 2304 2592 2953 3456 4608 5184 5906 6912 8859 10368 11812 13824 17718 20736 23624 26577 35436 41472 47248 53154 70872 79731 94496 106308 141744 159462 188992 212616 239193 283488 318924 377984 425232 478386 566976 637848 755968 850464 956772 1133952 1275696 1511936 1700928 1913544 2267904 2551392 3401856 3827088 4535808 5102784 6803712 7654176 10205568 13607424 15308352 20411136 30616704 40822272 61233408 122466816