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117842408 = 23193189281
BaseRepresentation
bin1110000011000…
…10000111101000
322012202000101122
413001202013220
5220131424113
615405434412
72630433605
oct701420750
9265660348
10117842408
1160578822
123356ba08
131b54cb48
14119176ac
15a52b408
hex70621e8

117842408 has 64 divisors (see below), whose sum is σ = 243648000. Its totient is φ = 53222400.

The previous prime is 117842401. The next prime is 117842429. The reversal of 117842408 is 804248711.

It is not an unprimeable number, because it can be changed into a prime (117842401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 419228 + ... + 419508.

It is an arithmetic number, because the mean of its divisors is an integer number (3807000).

Almost surely, 2117842408 is an apocalyptic number.

It is an amenable number.

117842408 is an abundant number, since it is smaller than the sum of its proper divisors (125805592).

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

117842408 is a wasteful number, since it uses less digits than its factorization.

117842408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 117842408 is about 10855.5243079273. The cubic root of 117842408 is about 490.2683633388.

It can be divided in two parts, 1178 and 42408, that multiplied together give a square (49956624 = 70682).

The spelling of 117842408 in words is "one hundred seventeen million, eight hundred forty-two thousand, four hundred eight".

Divisors: 1 2 4 8 19 31 38 62 76 89 124 152 178 248 281 356 562 589 712 1124 1178 1691 2248 2356 2759 3382 4712 5339 5518 6764 8711 10678 11036 13528 17422 21356 22072 25009 34844 42712 50018 52421 69688 100036 104842 165509 200072 209684 331018 419368 475171 662036 775279 950342 1324072 1550558 1900684 3101116 3801368 6202232 14730301 29460602 58921204 117842408