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117959828 = 22719221729
BaseRepresentation
bin1110000011111…
…10110010010100
322012221222110112
413001332302110
5220144203303
615412142152
72631433130
oct701766224
9265858415
10117959828
1160648a68
1233607958
131b59141c
14119483c0
15a5510d8
hex707ec94

117959828 has 24 divisors (see below), whose sum is σ = 248337600. Its totient is φ = 47893248.

The previous prime is 117959827. The next prime is 117959833. The reversal of 117959828 is 828959711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117959827) 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, 110333 + ... + 111396.

It is an arithmetic number, because the mean of its divisors is an integer number (10347400).

Almost surely, 2117959828 is an apocalyptic number.

It is an amenable number.

117959828 is an abundant number, since it is smaller than the sum of its proper divisors (130377772).

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

117959828 is a wasteful number, since it uses less digits than its factorization.

117959828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221759 (or 221757 counting only the distinct ones).

The product of its digits is 362880, while the sum is 50.

The square root of 117959828 is about 10860.9312676216. The cubic root of 117959828 is about 490.4311462804.

The spelling of 117959828 in words is "one hundred seventeen million, nine hundred fifty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 221729 443458 886916 1552103 3104206 4212851 6208412 8425702 16851404 29489957 58979914 117959828