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28514252 = 2213548351
BaseRepresentation
bin110110011000…
…1011111001100
31222122200012102
41230301133030
524244424002
62455054232
7464236634
oct154613714
958580172
1028514252
11151061a8
129671378
135ba4950
143b036c4
152783a02
hex1b317cc

28514252 has 12 divisors (see below), whose sum is σ = 53738496. Its totient is φ = 13160400.

The previous prime is 28514251. The next prime is 28514257. The reversal of 28514252 is 25241582.

It is not an unprimeable number, because it can be changed into a prime (28514251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274124 + ... + 274227.

It is an arithmetic number, because the mean of its divisors is an integer number (4478208).

Almost surely, 228514252 is an apocalyptic number.

It is an amenable number.

28514252 is a deficient number, since it is larger than the sum of its proper divisors (25224244).

28514252 is a wasteful number, since it uses less digits than its factorization.

28514252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548368 (or 548366 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 28514252 is about 5339.8737812799. The cubic root of 28514252 is about 305.5066451643.

The spelling of 28514252 in words is "twenty-eight million, five hundred fourteen thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 548351 1096702 2193404 7128563 14257126 28514252