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117385031 = 2314934253
BaseRepresentation
bin1101111111100…
…10011101000111
322011212202222202
412333302131013
5220022310111
615351545115
72623520261
oct677623507
9264782882
10117385031
1160296125
123338b19b
131b41c8ca
1411838b31
15a48ab3b
hex6ff2747

117385031 has 8 divisors (see below), whose sum is σ = 123314400. Its totient is φ = 111524512.

The previous prime is 117385027. The next prime is 117385033. The reversal of 117385031 is 130583711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117385031 - 22 = 117385027 is a prime.

It is a super-3 number, since 3×1173850313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117384985 and 117385003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117385033) 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, 13700 + ... + 20553.

It is an arithmetic number, because the mean of its divisors is an integer number (15414300).

Almost surely, 2117385031 is an apocalyptic number.

117385031 is a deficient number, since it is larger than the sum of its proper divisors (5929369).

117385031 is a wasteful number, since it uses less digits than its factorization.

117385031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34425.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 117385031 is about 10834.4372719583. The cubic root of 117385031 is about 489.6332546594.

The spelling of 117385031 in words is "one hundred seventeen million, three hundred eighty-five thousand, thirty-one".

Divisors: 1 23 149 3427 34253 787819 5103697 117385031