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109371912 = 23313397883
BaseRepresentation
bin1101000010011…
…10001000001000
321121210200001120
412201032020020
5210444400122
614504115240
72465434356
oct641161010
9247720046
10109371912
1156812811
1230765b20
1319875510
14107507d6
15990675c
hex684e208

109371912 has 64 divisors (see below), whose sum is σ = 295538880. Its totient is φ = 33530112.

The previous prime is 109371893. The next prime is 109371943. The reversal of 109371912 is 219173901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123423 + ... + 124305.

It is an arithmetic number, because the mean of its divisors is an integer number (4617795).

Almost surely, 2109371912 is an apocalyptic number.

109371912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109371912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147769440).

109371912 is an abundant number, since it is smaller than the sum of its proper divisors (186166968).

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

109371912 is a wasteful number, since it uses less digits than its factorization.

109371912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 109371912 is about 10458.1026959961. The cubic root of 109371912 is about 478.2282949791.

The spelling of 109371912 in words is "one hundred nine million, three hundred seventy-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 397 794 883 1191 1588 1766 2382 2649 3176 3532 4764 5161 5298 7064 9528 10322 10596 11479 15483 20644 21192 22958 30966 34437 41288 45916 61932 68874 91832 123864 137748 275496 350551 701102 1051653 1402204 2103306 2804408 4206612 4557163 8413224 9114326 13671489 18228652 27342978 36457304 54685956 109371912