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117902975 = 525578467
BaseRepresentation
bin1110000011100…
…00111001111111
322012212002110212
413001300321333
5220140343400
615411023035
72631105311
oct701607177
9265762425
10117902975
116060a283
123359aa7b
131b571598
14119317b1
15a53e335
hex7070e7f

117902975 has 12 divisors (see below), whose sum is σ = 146479464. Its totient is φ = 94141920.

The previous prime is 117902971. The next prime is 117902977. The reversal of 117902975 is 579209711.

It is a happy number.

It is not a de Polignac number, because 117902975 - 22 = 117902971 is a prime.

It is a super-2 number, since 2×1179029752 = 27802223027701250, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117902971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9692 + ... + 18158.

It is an arithmetic number, because the mean of its divisors is an integer number (12206622).

Almost surely, 2117902975 is an apocalyptic number.

117902975 is a deficient number, since it is larger than the sum of its proper divisors (28576489).

117902975 is an equidigital number, since it uses as much as digits as its factorization.

117902975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034 (or 9029 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 117902975 is about 10858.3136351830. The cubic root of 117902975 is about 490.3523427218.

The spelling of 117902975 in words is "one hundred seventeen million, nine hundred two thousand, nine hundred seventy-five".

Divisors: 1 5 25 557 2785 8467 13925 42335 211675 4716119 23580595 117902975