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117316640 = 25571937149
BaseRepresentation
bin1101111111000…
…01110000100000
322011202022011202
412333201300200
5220013113030
615350300332
72623114010
oct677416040
9264668152
10117316640
1160249801
12333576a8
131b3c773c
141181bc40
15a475745
hex6fe1c20

117316640 has 192 divisors, whose sum is σ = 344736000. Its totient is φ = 36827136.

The previous prime is 117316627. The next prime is 117316739. The reversal of 117316640 is 46613711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 787286 + ... + 787434.

It is an arithmetic number, because the mean of its divisors is an integer number (1795500).

Almost surely, 2117316640 is an apocalyptic number.

117316640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117316640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172368000).

117316640 is an abundant number, since it is smaller than the sum of its proper divisors (227419360).

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

117316640 is a wasteful number, since it uses less digits than its factorization.

117316640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 117316640 is about 10831.2806260386. The cubic root of 117316640 is about 489.5381459587.

The spelling of 117316640 in words is "one hundred seventeen million, three hundred sixteen thousand, six hundred forty".