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117796640 = 2551356633
BaseRepresentation
bin1110000010101…
…10111100100000
322012122200121112
413001112330200
5220123443030
615404442452
72630153303
oct701267440
9265580545
10117796640
11605473a5
1233549428
131b535070
1411904b3a
15a51ca95
hex7056f20

117796640 has 48 divisors (see below), whose sum is σ = 299707128. Its totient is φ = 43493376.

The previous prime is 117796607. The next prime is 117796643. The reversal of 117796640 is 46697711.

It can be written as a sum of positive squares in 4 ways, for example, as 91623184 + 26173456 = 9572^2 + 5116^2 .

It is not an unprimeable number, because it can be changed into a prime (117796643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26237 + ... + 30396.

Almost surely, 2117796640 is an apocalyptic number.

117796640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117796640 is an abundant number, since it is smaller than the sum of its proper divisors (181910488).

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

117796640 is a wasteful number, since it uses less digits than its factorization.

117796640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56661 (or 56653 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 117796640 is about 10853.4160521008. The cubic root of 117796640 is about 490.2048844707.

The spelling of 117796640 in words is "one hundred seventeen million, seven hundred ninety-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 56633 113266 226532 283165 453064 566330 736229 906128 1132660 1472458 1812256 2265320 2944916 3681145 4530640 5889832 7362290 9061280 11779664 14724580 23559328 29449160 58898320 117796640