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117438748 = 22729144629
BaseRepresentation
bin1101111111111…
…11100100011100
322011222111200021
412333333210130
5220031014443
615353041524
72624133010
oct677774434
9264874607
10117438748
1160322519
12333b62a4
131b43b1ab
1411850540
15a49b9ed
hex6fff91c

117438748 has 24 divisors (see below), whose sum is σ = 242978400. Its totient is φ = 48595008.

The previous prime is 117438743. The next prime is 117438751. The reversal of 117438748 is 847834711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117438743) 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, 71503 + ... + 73126.

It is an arithmetic number, because the mean of its divisors is an integer number (10124100).

Almost surely, 2117438748 is an apocalyptic number.

It is an amenable number.

117438748 is an abundant number, since it is smaller than the sum of its proper divisors (125539652).

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

117438748 is a wasteful number, since it uses less digits than its factorization.

117438748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144669 (or 144667 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 117438748 is about 10836.9159819572. The cubic root of 117438748 is about 489.7079309003.

The spelling of 117438748 in words is "one hundred seventeen million, four hundred thirty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 144629 289258 578516 1012403 2024806 4049612 4194241 8388482 16776964 29359687 58719374 117438748