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2257492 = 22564373
BaseRepresentation
bin1000100111001001010100
311020200200211
420213021110
51034214432
6120215204
725121416
oct10471124
94220624
102257492
1113020a6
1290a504
136106c3
1442a9b6
152e8d47
hex227254

2257492 has 6 divisors (see below), whose sum is σ = 3950618. Its totient is φ = 1128744.

The previous prime is 2257487. The next prime is 2257511. The reversal of 2257492 is 2947522.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 1012036 = 1116^2 + 1006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282183 + ... + 282190.

22257492 is an apocalyptic number.

It is an amenable number.

2257492 is a deficient number, since it is larger than the sum of its proper divisors (1693126).

2257492 is a wasteful number, since it uses less digits than its factorization.

2257492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564377 (or 564375 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 2257492 is about 1502.4952578960. The cubic root of 2257492 is about 131.1823500201.

The spelling of 2257492 in words is "two million, two hundred fifty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 564373 1128746 2257492