Search a number
-
+
252562990 = 2525256299
BaseRepresentation
bin11110000110111…
…00111000101110
3122121020112021211
433003130320232
51004124003430
641021145034
76154515151
oct1703347056
9577215254
10252562990
1111a624349
12706bb17a
134042c174
1425785c98
151728d72a
hexf0dce2e

252562990 has 8 divisors (see below), whose sum is σ = 454613400. Its totient is φ = 101025192.

The previous prime is 252562969. The next prime is 252563021. The reversal of 252562990 is 99265252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12628140 + ... + 12628159.

It is an arithmetic number, because the mean of its divisors is an integer number (56826675).

Almost surely, 2252562990 is an apocalyptic number.

252562990 is a deficient number, since it is larger than the sum of its proper divisors (202050410).

252562990 is a wasteful number, since it uses less digits than its factorization.

252562990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256306.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 252562990 is about 15892.2304916585. The cubic root of 252562990 is about 632.1059865379.

The spelling of 252562990 in words is "two hundred fifty-two million, five hundred sixty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 25256299 50512598 126281495 252562990