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109131356 = 2259462421
BaseRepresentation
bin1101000000100…
…11011001011100
321121100110002002
412200103121130
5210414200411
614455021432
72463413135
oct640233134
9247313062
10109131356
1156669004
123066a878
13197bcb89
14106cac8c
1598aa33b
hex681365c

109131356 has 12 divisors (see below), whose sum is σ = 194217240. Its totient is φ = 53640720.

The previous prime is 109131353. The next prime is 109131359. The reversal of 109131356 is 653131901.

It is an interprime number because it is at equal distance from previous prime (109131353) and next prime (109131359).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109131353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230975 + ... + 231446.

It is an arithmetic number, because the mean of its divisors is an integer number (16184770).

Almost surely, 2109131356 is an apocalyptic number.

It is an amenable number.

109131356 is a deficient number, since it is larger than the sum of its proper divisors (85085884).

109131356 is a wasteful number, since it uses less digits than its factorization.

109131356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462484 (or 462482 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 109131356 is about 10446.5954262621. The cubic root of 109131356 is about 477.8774275331.

The spelling of 109131356 in words is "one hundred nine million, one hundred thirty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 59 118 236 462421 924842 1849684 27282839 54565678 109131356