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117401808 = 24315491579
BaseRepresentation
bin1101111111101…
…10100011010000
322011220122000010
412333312203100
5220023324213
615352154520
72623620216
oct677664320
9264818003
10117401808
11602a7797
1233398a40
131b427434
1411840cb6
15a490ac3
hex6ff68d0

117401808 has 40 divisors (see below), whose sum is σ = 303676000. Its totient is φ = 39083904.

The previous prime is 117401803. The next prime is 117401833. The reversal of 117401808 is 808104711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117401803) 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, 73563 + ... + 75141.

It is an arithmetic number, because the mean of its divisors is an integer number (7591900).

Almost surely, 2117401808 is an apocalyptic number.

It is an amenable number.

117401808 is an abundant number, since it is smaller than the sum of its proper divisors (186274192).

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

117401808 is a wasteful number, since it uses less digits than its factorization.

117401808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 117401808 is about 10835.2114884759. The cubic root of 117401808 is about 489.6565801372.

The spelling of 117401808 in words is "one hundred seventeen million, four hundred one thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1549 1579 3098 3158 4647 4737 6196 6316 9294 9474 12392 12632 18588 18948 24784 25264 37176 37896 74352 75792 2445871 4891742 7337613 9783484 14675226 19566968 29350452 39133936 58700904 117401808