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252284790 = 2358409493
BaseRepresentation
bin11110000100110…
…00111101110110
3122120201101200010
433002120331312
51004041103130
641011201050
76152246112
oct1702307566
9576641603
10252284790
1111a45432a
12705a6186
1340362654
1425712742
15172360b0
hexf098f76

252284790 has 16 divisors (see below), whose sum is σ = 605483568. Its totient is φ = 67275936.

The previous prime is 252284749. The next prime is 252284803. The reversal of 252284790 is 97482252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204717 + ... + 4204776.

It is an arithmetic number, because the mean of its divisors is an integer number (37842723).

Almost surely, 2252284790 is an apocalyptic number.

252284790 is an abundant number, since it is smaller than the sum of its proper divisors (353198778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252284790 is a wasteful number, since it uses less digits than its factorization.

252284790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409503.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 252284790 is about 15883.4753753705. The cubic root of 252284790 is about 631.8738114643.

The spelling of 252284790 in words is "two hundred fifty-two million, two hundred eighty-four thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 8409493 16818986 25228479 42047465 50456958 84094930 126142395 252284790