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107272040 = 23517732161
BaseRepresentation
bin1100110010011…
…01011101101000
321110211222120112
412121031131220
5204430201130
614351113452
72441540321
oct631153550
9243758515
10107272040
1155609087
122bb12888
13192bb7a5
1410365448
15963e495
hex664d768

107272040 has 64 divisors (see below), whose sum is σ = 259180560. Its totient is φ = 39813120.

The previous prime is 107272019. The next prime is 107272051. The reversal of 107272040 is 40272701.

It can be written as a sum of positive squares in 8 ways, for example, as 72012196 + 35259844 = 8486^2 + 5938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107271997 and 107272015.

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, 48560 + ... + 50720.

Almost surely, 2107272040 is an apocalyptic number.

107272040 is a gapful number since it is divisible by the number (10) 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 107272040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129590280).

107272040 is an abundant number, since it is smaller than the sum of its proper divisors (151908520).

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

107272040 is a wasteful number, since it uses less digits than its factorization.

107272040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 107272040 is about 10357.2216351684. The cubic root of 107272040 is about 475.1479354545.

The spelling of 107272040 in words is "one hundred seven million, two hundred seventy-two thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 73 85 136 146 170 292 340 365 584 680 730 1241 1460 2161 2482 2920 4322 4964 6205 8644 9928 10805 12410 17288 21610 24820 36737 43220 49640 73474 86440 146948 157753 183685 293896 315506 367370 631012 734740 788765 1262024 1469480 1577530 2681801 3155060 5363602 6310120 10727204 13409005 21454408 26818010 53636020 107272040