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5251492 = 221312873
BaseRepresentation
bin10100000010000110100100
3100212210200201
4110002012210
52321021432
6304320244
762431321
oct24020644
910783621
105251492
112a67584
121913084
13111b3bc
149a9b48
156daee7
hex5021a4

5251492 has 6 divisors (see below), whose sum is σ = 9190118. Its totient is φ = 2625744.

The previous prime is 5251481. The next prime is 5251507. The reversal of 5251492 is 2941525.

It can be written as a sum of positive squares in only one way, i.e., 4769856 + 481636 = 2184^2 + 694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5251492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656433 + ... + 656440.

Almost surely, 25251492 is an apocalyptic number.

It is an amenable number.

5251492 is a deficient number, since it is larger than the sum of its proper divisors (3938626).

5251492 is a wasteful number, since it uses less digits than its factorization.

5251492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312877 (or 1312875 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 5251492 is about 2291.6134054417. The cubic root of 5251492 is about 173.8177949127.

The spelling of 5251492 in words is "five million, two hundred fifty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 1312873 2625746 5251492