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117542788 = 221122310559
BaseRepresentation
bin1110000000110…
…00111110000100
322012011210101121
413000120332010
5220042332123
615355203324
72625045226
oct700307604
9265153347
10117542788
1160393700
1233446544
131b47665c
141187a416
15a4bc75d
hex7018f84

117542788 has 36 divisors (see below), whose sum is σ = 235952640. Its totient is φ = 51100720.

The previous prime is 117542749. The next prime is 117542801. The reversal of 117542788 is 887245711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5853 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (6554240).

Almost surely, 2117542788 is an apocalyptic number.

It is an amenable number.

117542788 is an abundant number, since it is smaller than the sum of its proper divisors (118409852).

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

117542788 is a wasteful number, since it uses less digits than its factorization.

117542788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10608 (or 10595 counting only the distinct ones).

The product of its digits is 125440, while the sum is 43.

The square root of 117542788 is about 10841.7151779596. The cubic root of 117542788 is about 489.8525003772.

The spelling of 117542788 in words is "one hundred seventeen million, five hundred forty-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 11 22 23 44 46 92 121 242 253 484 506 1012 2783 5566 10559 11132 21118 42236 116149 232298 242857 464596 485714 971428 1277639 2555278 2671427 5110556 5342854 10685708 29385697 58771394 117542788