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252714442 = 2126357221
BaseRepresentation
bin11110001000000…
…01110111001010
3122121112020001011
433010001313022
51004143330232
641024314134
76156015541
oct1704016712
9577466034
10252714442
1111a718112
127077294a
1340483096
14257c5158
15172bd547
hexf101dca

252714442 has 4 divisors (see below), whose sum is σ = 379071666. Its totient is φ = 126357220.

The previous prime is 252714437. The next prime is 252714457. The reversal of 252714442 is 244417252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207676921 + 45037521 = 14411^2 + 6711^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63178609 + ... + 63178612.

Almost surely, 2252714442 is an apocalyptic number.

252714442 is a deficient number, since it is larger than the sum of its proper divisors (126357224).

252714442 is a wasteful number, since it uses less digits than its factorization.

252714442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126357223.

The product of its digits is 17920, while the sum is 31.

The square root of 252714442 is about 15896.9947474358. The cubic root of 252714442 is about 632.2323109139.

The spelling of 252714442 in words is "two hundred fifty-two million, seven hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 126357221 252714442