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120045928 = 2315119931
BaseRepresentation
bin1110010011111…
…00000101101000
322100212222001111
413021330011220
5221212432203
615525000104
72655242062
oct711740550
9270788044
10120045928
1161843312
1234253034
131bb41ac2
1411d2c732
15a81426d
hex727c168

120045928 has 16 divisors (see below), whose sum is σ = 225257760. Its totient is φ = 59977200.

The previous prime is 120045907. The next prime is 120045931. The reversal of 120045928 is 829540021.

It is a super-2 number, since 2×1200459282 = 28822049658762368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120045928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7123 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (14078610).

Almost surely, 2120045928 is an apocalyptic number.

It is an amenable number.

120045928 is a deficient number, since it is larger than the sum of its proper divisors (105211832).

120045928 is a wasteful number, since it uses less digits than its factorization.

120045928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448 (or 11444 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 120045928 is about 10956.5472663609. The cubic root of 120045928 is about 493.3053336109.

Adding to 120045928 its reverse (829540021), we get a palindrome (949585949).

The spelling of 120045928 in words is "one hundred twenty million, forty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 1511 3022 6044 9931 12088 19862 39724 79448 15005741 30011482 60022964 120045928