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109155040 = 255682219
BaseRepresentation
bin1101000000110…
…01001011100000
321121101122120021
412200121023200
5210420430130
614455323224
72463542161
oct640311340
9247348507
10109155040
1156684885
1230680514
13197ca8a7
14106d5768
1598b237a
hex68192e0

109155040 has 24 divisors (see below), whose sum is σ = 257879160. Its totient is φ = 43661952.

The previous prime is 109155017. The next prime is 109155077. The reversal of 109155040 is 40551901.

It is a junction number, because it is equal to n+sod(n) for n = 109154996 and 109155014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340950 + ... + 341269.

It is an arithmetic number, because the mean of its divisors is an integer number (10744965).

Almost surely, 2109155040 is an apocalyptic number.

109155040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109155040 is an abundant number, since it is smaller than the sum of its proper divisors (148724120).

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

109155040 is an equidigital number, since it uses as much as digits as its factorization.

109155040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682234 (or 682226 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 109155040 is about 10447.7289398223. The cubic root of 109155040 is about 477.9119951427.

The spelling of 109155040 in words is "one hundred nine million, one hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 682219 1364438 2728876 3411095 5457752 6822190 10915504 13644380 21831008 27288760 54577520 109155040