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120390696 = 23328292017
BaseRepresentation
bin1110010110100…
…00010000101000
322101112110222200
413023100100220
5221310000241
615540220200
72661206166
oct713202050
9271473880
10120390696
1161a59348
123439a660
131bc329ca
1411dbc236
15a8814b6
hex72d0428

120390696 has 48 divisors (see below), whose sum is σ = 326613300. Its totient is φ = 40061952.

The previous prime is 120390689. The next prime is 120390713. The reversal of 120390696 is 696093021.

It can be written as a sum of positive squares in 2 ways, for example, as 114190596 + 6200100 = 10686^2 + 2490^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120390696.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58680 + ... + 60696.

Almost surely, 2120390696 is an apocalyptic number.

It is an amenable number.

120390696 is an abundant number, since it is smaller than the sum of its proper divisors (206222604).

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

120390696 is a wasteful number, since it uses less digits than its factorization.

120390696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 120390696 is about 10972.2694097438. The cubic root of 120390696 is about 493.7771345233. Note that the first 3 decimals are identical.

The spelling of 120390696 in words is "one hundred twenty million, three hundred ninety thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 829 1658 2017 2487 3316 4034 4974 6051 6632 7461 8068 9948 12102 14922 16136 18153 19896 24204 29844 36306 48408 59688 72612 145224 1672093 3344186 5016279 6688372 10032558 13376744 15048837 20065116 30097674 40130232 60195348 120390696