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28926120 = 2335241051
BaseRepresentation
bin110111001011…
…0000010101000
32000102121011210
41232112002220
524401113440
62511553120
7500603466
oct156260250
960377153
1028926120
1115367693
12982b7a0
135cba262
143bad836
152815a80
hex1b960a8

28926120 has 32 divisors (see below), whose sum is σ = 86778720. Its totient is φ = 7713600.

The previous prime is 28926077. The next prime is 28926173. The reversal of 28926120 is 2162982.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120406 + ... + 120645.

It is an arithmetic number, because the mean of its divisors is an integer number (2711835).

Almost surely, 228926120 is an apocalyptic number.

28926120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28926120 is an abundant number, since it is smaller than the sum of its proper divisors (57852600).

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

28926120 is a wasteful number, since it uses less digits than its factorization.

28926120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241065 (or 241061 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28926120 is about 5378.3008469218. The cubic root of 28926120 is about 306.9705609673.

The spelling of 28926120 in words is "twenty-eight million, nine hundred twenty-six thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 241051 482102 723153 964204 1205255 1446306 1928408 2410510 2892612 3615765 4821020 5785224 7231530 9642040 14463060 28926120