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117880308 = 223271335983
BaseRepresentation
bin1110000011010…
…11010111110100
322012210221101100
413001223113310
5220134132213
615410330100
72630652240
oct701532764
9265727340
10117880308
11605a4247
1233589930
131b564180
1411927420
15a537773
hex706b5f4

117880308 has 72 divisors (see below), whose sum is σ = 366748928. Its totient is φ = 31088448.

The previous prime is 117880303. The next prime is 117880319. The reversal of 117880308 is 803088711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117880303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14716 + ... + 21267.

Almost surely, 2117880308 is an apocalyptic number.

117880308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117880308 is an abundant number, since it is smaller than the sum of its proper divisors (248868620).

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

117880308 is a wasteful number, since it uses less digits than its factorization.

117880308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36013 (or 36008 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 117880308 is about 10857.2698225659. The cubic root of 117880308 is about 490.3209170831.

The spelling of 117880308 in words is "one hundred seventeen million, eight hundred eighty thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 35983 71966 107949 143932 215898 251881 323847 431796 467779 503762 647694 755643 935558 1007524 1295388 1403337 1511286 1871116 2266929 2806674 3022572 3274453 4210011 4533858 5613348 6548906 8420022 9067716 9823359 13097812 16840044 19646718 29470077 39293436 58940154 117880308