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109238472 = 23327216743
BaseRepresentation
bin1101000001011…
…01100011001000
321121112220000100
412200231203020
5210431112342
614501205400
72464340340
oct640554310
9247486010
10109238472
1156731532
1230700860
1319829865
1410717d20
1598cbe4c
hex682d8c8

109238472 has 48 divisors (see below), whose sum is σ = 338120640. Its totient is φ = 31210848.

The previous prime is 109238449. The next prime is 109238497. The reversal of 109238472 is 274832901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107868 + ... + 108875.

It is an arithmetic number, because the mean of its divisors is an integer number (7044180).

Almost surely, 2109238472 is an apocalyptic number.

109238472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109238472 is an abundant number, since it is smaller than the sum of its proper divisors (228882168).

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

109238472 is a wasteful number, since it uses less digits than its factorization.

109238472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216762 (or 216755 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 109238472 is about 10451.7210066094. The cubic root of 109238472 is about 478.0337271884.

The spelling of 109238472 in words is "one hundred nine million, two hundred thirty-eight thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 216743 433486 650229 866972 1300458 1517201 1733944 1950687 2600916 3034402 3901374 4551603 5201832 6068804 7802748 9103206 12137608 13654809 15605496 18206412 27309618 36412824 54619236 109238472