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117702720 = 2634519239
BaseRepresentation
bin1110000010000…
…00000001000000
322012110220210000
413001000001000
5220112441340
615402440000
72626312422
oct701000100
9265426700
10117702720
1160492883
1233503000
131b5013a5
14118bc812
15a4eed30
hex7040040

117702720 has 280 divisors, whose sum is σ = 442569600. Its totient is φ = 29611008.

The previous prime is 117702709. The next prime is 117702727. The reversal of 117702720 is 27207711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117702727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 492361 + ... + 492599.

Almost surely, 2117702720 is an apocalyptic number.

117702720 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 117702720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221284800).

117702720 is an abundant number, since it is smaller than the sum of its proper divisors (324866880).

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

117702720 is a wasteful number, since it uses less digits than its factorization.

117702720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 117702720 is about 10849.0884409705. The cubic root of 117702720 is about 490.0745686876.

The spelling of 117702720 in words is "one hundred seventeen million, seven hundred two thousand, seven hundred twenty".