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28952704 = 271120563
BaseRepresentation
bin110111001110…
…0100010000000
32000110221122101
41232130202000
524402441304
62512320144
7501044134
oct156344200
960427571
1028952704
1115385660
129843054
135cc93a1
143bb93c4
15281d8a4
hex1b9c880

28952704 has 32 divisors (see below), whose sum is σ = 62925840. Its totient is φ = 13159680.

The previous prime is 28952669. The next prime is 28952711. The reversal of 28952704 is 40725982.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8874 + ... + 11689.

Almost surely, 228952704 is an apocalyptic number.

It is an amenable number.

28952704 is an abundant number, since it is smaller than the sum of its proper divisors (33973136).

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

28952704 is a wasteful number, since it uses less digits than its factorization.

28952704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20588 (or 20576 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28952704 is about 5380.7716918673. The cubic root of 28952704 is about 307.0645706577.

The spelling of 28952704 in words is "twenty-eight million, nine hundred fifty-two thousand, seven hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 20563 41126 82252 164504 226193 329008 452386 658016 904772 1316032 1809544 2632064 3619088 7238176 14476352 28952704