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28120496 = 241757531
BaseRepresentation
bin110101101000…
…1010110110000
31221220200001212
41223101112300
524144323441
62442415252
7461006645
oct153212660
957820055
1028120496
1114967388
129501528
135a97661
143a3ddcc
152706eeb
hex1ad15b0

28120496 has 10 divisors (see below), whose sum is σ = 54483492. Its totient is φ = 14060240.

The previous prime is 28120487. The next prime is 28120511. The reversal of 28120496 is 69402182.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 878750 + ... + 878781.

Almost surely, 228120496 is an apocalyptic number.

It is an amenable number.

28120496 is a deficient number, since it is larger than the sum of its proper divisors (26362996).

28120496 is a wasteful number, since it uses less digits than its factorization.

28120496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757539 (or 1757533 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 28120496 is about 5302.8762007047. The cubic root of 28120496 is about 304.0938652896.

The spelling of 28120496 in words is "twenty-eight million, one hundred twenty thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 1757531 3515062 7030124 14060248 28120496