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1144008880 = 245721717167
BaseRepresentation
bin100010000110000…
…0011000010110000
32221201122200011021
41010030003002300
54320331241010
6305304025224
740230625600
oct10414030260
92851580137
101144008880
11537843893
1227b162214
1315301c141
14abd16c00
156a67a8da
hex443030b0

1144008880 has 120 divisors (see below), whose sum is σ = 3276272448. Its totient is φ = 369137664.

The previous prime is 1144008857. The next prime is 1144008881. The reversal of 1144008880 is 888004411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1144008881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58057 + ... + 75223.

Almost surely, 21144008880 is an apocalyptic number.

1144008880 is a gapful number since it is divisible by the number (10) 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 1144008880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638136224).

1144008880 is an abundant number, since it is smaller than the sum of its proper divisors (2132263568).

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

1144008880 is a wasteful number, since it uses less digits than its factorization.

1144008880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17211 (or 17198 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 1144008880 is about 33823.2003216727. The cubic root of 1144008880 is about 1045.8670124267.

The spelling of 1144008880 in words is "one billion, one hundred forty-four million, eight thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 49 56 68 70 80 85 98 112 119 136 140 170 196 238 245 272 280 340 392 476 490 560 595 680 784 833 952 980 1190 1360 1666 1904 1960 2380 3332 3920 4165 4760 6664 8330 9520 13328 16660 17167 33320 34334 66640 68668 85835 120169 137336 171670 240338 274672 291839 343340 480676 583678 600845 686680 841183 961352 1167356 1201690 1373360 1459195 1682366 1922704 2042873 2334712 2403380 2918390 3364732 4085746 4205915 4669424 4806760 5836780 6729464 8171492 8411830 9613520 10214365 11673560 13458928 14300111 16342984 16823660 20428730 23347120 28600222 32685968 33647320 40857460 57200444 67294640 71500555 81714920 114400888 143001110 163429840 228801776 286002220 572004440 1144008880