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109127844 = 22337144349
BaseRepresentation
bin1101000000100…
…10100010100100
321121100021021000
412200102202210
5210414042334
614454553300
72463366660
oct640224244
9247307230
10109127844
1156666401
1230668830
13197bb3b7
14106c98a0
1598a9299
hex68128a4

109127844 has 48 divisors (see below), whose sum is σ = 323344000. Its totient is φ = 31179168.

The previous prime is 109127839. The next prime is 109127861. The reversal of 109127844 is 448721901.

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

It is a junction number, because it is equal to n+sod(n) for n = 109127799 and 109127808.

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, 71419 + ... + 72930.

Almost surely, 2109127844 is an apocalyptic number.

109127844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

109127844 is an abundant number, since it is smaller than the sum of its proper divisors (214216156).

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

109127844 is a wasteful number, since it uses less digits than its factorization.

109127844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144369 (or 144361 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 109127844 is about 10446.4273318681. The cubic root of 109127844 is about 477.8723012230.

The spelling of 109127844 in words is "one hundred nine million, one hundred twenty-seven thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 144349 288698 433047 577396 866094 1010443 1299141 1732188 2020886 2598282 3031329 3897423 4041772 5196564 6062658 7794846 9093987 12125316 15589692 18187974 27281961 36375948 54563922 109127844