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109640740 = 22511498367
BaseRepresentation
bin1101000100011…
…11110000100100
321122022022211011
412202033300210
5211032000430
614513552004
72500634206
oct642176044
9248268734
10109640740
1156986790
1230875604
131993a9a1
14107c0776
15995b22a
hex688fc24

109640740 has 24 divisors (see below), whose sum is σ = 251177472. Its totient is φ = 39869280.

The previous prime is 109640737. The next prime is 109640761. The reversal of 109640740 is 47046901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248964 + ... + 249403.

It is an arithmetic number, because the mean of its divisors is an integer number (10465728).

Almost surely, 2109640740 is an apocalyptic number.

109640740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109640740 is an abundant number, since it is smaller than the sum of its proper divisors (141536732).

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

109640740 is a wasteful number, since it uses less digits than its factorization.

109640740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498387 (or 498385 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 109640740 is about 10470.9474260928. The cubic root of 109640740 is about 478.6197908885.

The spelling of 109640740 in words is "one hundred nine million, six hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 498367 996734 1993468 2491835 4983670 5482037 9967340 10964074 21928148 27410185 54820370 109640740