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252401982 = 2376009571
BaseRepresentation
bin11110000101101…
…01100100111110
3122120221100102120
433002311210332
51004103330412
641013503410
76153244560
oct1702654476
9576840376
10252401982
1111a524388
1270641b66
13403a3ab1
1425743330
151725ab8c
hexf0b593e

252401982 has 16 divisors (see below), whose sum is σ = 576918912. Its totient is φ = 72114840.

The previous prime is 252401971. The next prime is 252401999. The reversal of 252401982 is 289104252.

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, 3004744 + ... + 3004827.

It is an arithmetic number, because the mean of its divisors is an integer number (36057432).

Almost surely, 2252401982 is an apocalyptic number.

252401982 is an abundant number, since it is smaller than the sum of its proper divisors (324516930).

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

252401982 is a wasteful number, since it uses less digits than its factorization.

252401982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009583.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 252401982 is about 15887.1640641116. The cubic root of 252401982 is about 631.9716362184.

The spelling of 252401982 in words is "two hundred fifty-two million, four hundred one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 6009571 12019142 18028713 36057426 42066997 84133994 126200991 252401982