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28983264 = 253319739
BaseRepresentation
bin110111010001…
…1111111100000
32000112111120020
41232203333200
524404431024
62513113440
7501232212
oct156437740
960474506
1028983264
11153a6612
129858880
13600a27b
143bc65b2
152827979
hex1ba3fe0

28983264 has 48 divisors (see below), whose sum is σ = 78543360. Its totient is φ = 9348480.

The previous prime is 28983217. The next prime is 28983277. The reversal of 28983264 is 46238982.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 1894 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (1636320).

Almost surely, 228983264 is an apocalyptic number.

28983264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28983264 is an abundant number, since it is smaller than the sum of its proper divisors (49560096).

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

28983264 is a wasteful number, since it uses less digits than its factorization.

28983264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783 (or 9775 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 28983264 is about 5383.6106842899. The cubic root of 28983264 is about 307.1725697079.

The spelling of 28983264 in words is "twenty-eight million, nine hundred eighty-three thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 9739 19478 29217 38956 58434 77912 116868 155824 233736 301909 311648 467472 603818 905727 934944 1207636 1811454 2415272 3622908 4830544 7245816 9661088 14491632 28983264