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117875540 = 22518473191
BaseRepresentation
bin1110000011010…
…10001101010100
322012210200211202
413001222031110
5220134004130
615410252032
72630632316
oct701521524
9265720752
10117875540
11605a0702
1233587018
131b561c53
14119257b6
15a536145
hex706a354

117875540 has 24 divisors (see below), whose sum is σ = 247750272. Its totient is φ = 47109920.

The previous prime is 117875519. The next prime is 117875557. The reversal of 117875540 is 45578711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117875494 and 117875503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35345 + ... + 38535.

It is an arithmetic number, because the mean of its divisors is an integer number (10322928).

Almost surely, 2117875540 is an apocalyptic number.

117875540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117875540 is an abundant number, since it is smaller than the sum of its proper divisors (129874732).

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

117875540 is a wasteful number, since it uses less digits than its factorization.

117875540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 117875540 is about 10857.0502439659. The cubic root of 117875540 is about 490.3143061919.

The spelling of 117875540 in words is "one hundred seventeen million, eight hundred seventy-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1847 3191 3694 6382 7388 9235 12764 15955 18470 31910 36940 63820 5893777 11787554 23575108 29468885 58937770 117875540