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28827332 = 2219379307
BaseRepresentation
bin110110111110…
…1111011000100
32000020120122222
41231331323010
524334433312
62505511512
7500012462
oct155757304
960216588
1028827332
11152aa446
1297a2598
135c842c1
143b85832
1527e6672
hex1b7dec4

28827332 has 12 divisors (see below), whose sum is σ = 53103120. Its totient is φ = 13655016.

The previous prime is 28827307. The next prime is 28827347. The reversal of 28827332 is 23372882.

It is a junction number, because it is equal to n+sod(n) for n = 28827292 and 28827301.

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, 189578 + ... + 189729.

It is an arithmetic number, because the mean of its divisors is an integer number (4425260).

Almost surely, 228827332 is an apocalyptic number.

It is an amenable number.

28827332 is a deficient number, since it is larger than the sum of its proper divisors (24275788).

28827332 is a wasteful number, since it uses less digits than its factorization.

28827332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379330 (or 379328 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 28827332 is about 5369.1090508575. The cubic root of 28827332 is about 306.6207088240.

The spelling of 28827332 in words is "twenty-eight million, eight hundred twenty-seven thousand, three hundred thirty-two".

Divisors: 1 2 4 19 38 76 379307 758614 1517228 7206833 14413666 28827332