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109132390 = 2519613937
BaseRepresentation
bin1101000000100…
…11101001100110
321121100111111101
412200103221212
5210414214030
614455030314
72463416143
oct640235146
9247314441
10109132390
1156669864
123066b39a
13197c04a3
14106cb3ca
1598aa7ca
hex6813a66

109132390 has 32 divisors (see below), whose sum is σ = 207335520. Its totient is φ = 41243904.

The previous prime is 109132363. The next prime is 109132399. The reversal of 109132390 is 93231901.

It is a super-2 number, since 2×1091323902 = 23819757094224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109132399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116002 + ... + 116938.

It is an arithmetic number, because the mean of its divisors is an integer number (6479235).

Almost surely, 2109132390 is an apocalyptic number.

109132390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109132390 is a deficient number, since it is larger than the sum of its proper divisors (98203130).

109132390 is a wasteful number, since it uses less digits than its factorization.

109132390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 109132390 is about 10446.6449159527. The cubic root of 109132390 is about 477.8789367959.

The spelling of 109132390 in words is "one hundred nine million, one hundred thirty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 613 937 1226 1874 3065 4685 6130 9370 11647 17803 23294 35606 58235 89015 116470 178030 574381 1148762 2871905 5743810 10913239 21826478 54566195 109132390