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117851392 = 28676871
BaseRepresentation
bin1110000011001…
…00010100000000
322012202110201101
413001210110000
5220132221032
615405544144
72630502031
oct701442400
9265673641
10117851392
116058454a
1233575054
131b553c69
141191aa88
15a52dde7
hex7064500

117851392 has 36 divisors (see below), whose sum is σ = 238788256. Its totient is φ = 58037760.

The previous prime is 117851387. The next prime is 117851413. The reversal of 117851392 is 293158711.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13717 + ... + 20587.

Almost surely, 2117851392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117851392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119394128).

117851392 is an abundant number, since it is smaller than the sum of its proper divisors (120936864).

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

117851392 is an frugal number, since it uses more digits than its factorization.

117851392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954 (or 6940 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 117851392 is about 10855.9380985708. The cubic root of 117851392 is about 490.2808219523.

The spelling of 117851392 in words is "one hundred seventeen million, eight hundred fifty-one thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 67 128 134 256 268 536 1072 2144 4288 6871 8576 13742 17152 27484 54968 109936 219872 439744 460357 879488 920714 1758976 1841428 3682856 7365712 14731424 29462848 58925696 117851392