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117161832 = 23337131939
BaseRepresentation
bin1101111101110…
…11111101101000
322011110102211010
412332323331220
5214443134312
615343103520
72621600454
oct676737550
9264412733
10117161832
1160153467
12332a1ba0
131b372138
14117bb664
15a44493c
hex6fbbf68

117161832 has 32 divisors (see below), whose sum is σ = 300823200. Its totient is φ = 37998144.

The previous prime is 117161801. The next prime is 117161833. The reversal of 117161832 is 238161711.

It is a self number, because there is not a number n which added to its sum of digits gives 117161832.

It is not an unprimeable number, because it can be changed into a prime (117161833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65082 + ... + 66857.

It is an arithmetic number, because the mean of its divisors is an integer number (9400725).

Almost surely, 2117161832 is an apocalyptic number.

117161832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117161832 is an abundant number, since it is smaller than the sum of its proper divisors (183661368).

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

117161832 is a wasteful number, since it uses less digits than its factorization.

117161832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131985 (or 131981 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 117161832 is about 10824.1319282426. The cubic root of 117161832 is about 489.3227238892.

The spelling of 117161832 in words is "one hundred seventeen million, one hundred sixty-one thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 131939 263878 395817 527756 791634 1055512 1583268 3166536 4881743 9763486 14645229 19526972 29290458 39053944 58580916 117161832