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117728484 = 223191373769
BaseRepresentation
bin1110000010001…
…10010011100100
322012112020010020
413001012103210
5220114302414
615403155140
72626450506
oct701062344
9265466106
10117728484
1160500175
1233515ab0
131b510033
14118c7d76
15a5077a9
hex70464e4

117728484 has 48 divisors (see below), whose sum is σ = 291345600. Its totient is φ = 36896256.

The previous prime is 117728461. The next prime is 117728537. The reversal of 117728484 is 484827711.

It is an unprimeable number.

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, 29352 + ... + 33120.

It is an arithmetic number, because the mean of its divisors is an integer number (6069700).

Almost surely, 2117728484 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 117728484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145672800).

117728484 is an abundant number, since it is smaller than the sum of its proper divisors (173617116).

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

117728484 is a wasteful number, since it uses less digits than its factorization.

117728484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3930 counting only the distinct ones).

The product of its digits is 100352, while the sum is 42.

The square root of 117728484 is about 10850.2757568644. The cubic root of 117728484 is about 490.1103236247.

The spelling of 117728484 in words is "one hundred seventeen million, seven hundred twenty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 137 228 274 411 548 822 1644 2603 3769 5206 7538 7809 10412 11307 15076 15618 22614 31236 45228 71611 143222 214833 286444 429666 516353 859332 1032706 1549059 2065412 3098118 6196236 9810707 19621414 29432121 39242828 58864242 117728484