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117391380 = 22353752879
BaseRepresentation
bin1101111111101…
…00000000010100
322011220002200220
412333310000110
5220023011010
615352034340
72623544631
oct677640024
9264802626
10117391380
116029a977
12333929b0
131b422772
141183b188
15a48c970
hex6ff4014

117391380 has 48 divisors (see below), whose sum is σ = 337585920. Its totient is φ = 30457728.

The previous prime is 117391369. The next prime is 117391381. The reversal of 117391380 is 83193711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117391381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24220 + ... + 28659.

It is an arithmetic number, because the mean of its divisors is an integer number (7033040).

Almost surely, 2117391380 is an apocalyptic number.

117391380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117391380 is an abundant number, since it is smaller than the sum of its proper divisors (220194540).

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

117391380 is a wasteful number, since it uses less digits than its factorization.

117391380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52928 (or 52926 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 117391380 is about 10834.7302689084. The cubic root of 117391380 is about 489.6420820924.

The spelling of 117391380 in words is "one hundred seventeen million, three hundred ninety-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 52879 105758 158637 211516 264395 317274 528790 634548 793185 1057580 1586370 1956523 3172740 3913046 5869569 7826092 9782615 11739138 19565230 23478276 29347845 39130460 58695690 117391380