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28492252 = 227123063
BaseRepresentation
bin110110010110…
…0000111011100
31222121120000121
41230230013130
524243223002
62454404324
7464115535
oct154540734
958546017
1028492252
11150a0718
1296606a4
135b97929
143ad968c
15277c237
hex1b2c1dc

28492252 has 6 divisors (see below), whose sum is σ = 49861448. Its totient is φ = 14246124.

The previous prime is 28492249. The next prime is 28492271. The reversal of 28492252 is 25229482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561528 + ... + 3561535.

Almost surely, 228492252 is an apocalyptic number.

It is an amenable number.

28492252 is a deficient number, since it is larger than the sum of its proper divisors (21369196).

28492252 is a wasteful number, since it uses less digits than its factorization.

28492252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123067 (or 7123065 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 28492252 is about 5337.8134100023. The cubic root of 28492252 is about 305.4280543425.

The spelling of 28492252 in words is "twenty-eight million, four hundred ninety-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7123063 14246126 28492252