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117370431 = 3317255709
BaseRepresentation
bin1101111111011…
…10111000111111
322011212000222000
412333232320333
5220021323211
615351353343
72623426563
oct677567077
9264760860
10117370431
1160286162
1233382853
131b416079
14118336a3
15a486656
hex6feee3f

117370431 has 16 divisors (see below), whose sum is σ = 184111200. Its totient is φ = 73643904.

The previous prime is 117370427. The next prime is 117370469. The reversal of 117370431 is 134073711.

It is not a de Polignac number, because 117370431 - 22 = 117370427 is a prime.

It is a super-2 number, since 2×1173704312 = 27551636146251522, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 117370395 and 117370404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117370471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127396 + ... + 128313.

It is an arithmetic number, because the mean of its divisors is an integer number (11506950).

Almost surely, 2117370431 is an apocalyptic number.

117370431 is a deficient number, since it is larger than the sum of its proper divisors (66740769).

117370431 is a wasteful number, since it uses less digits than its factorization.

117370431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255735 (or 255729 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 117370431 is about 10833.7634735119. The cubic root of 117370431 is about 489.6129541099.

The spelling of 117370431 in words is "one hundred seventeen million, three hundred seventy thousand, four hundred thirty-one".

Divisors: 1 3 9 17 27 51 153 459 255709 767127 2301381 4347053 6904143 13041159 39123477 117370431