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252241252 = 2263060313
BaseRepresentation
bin11110000100011…
…10010101100100
3122120122011221121
433002032111210
51004033210002
641010223324
76152005144
oct1702162544
9576564847
10252241252
1111a42464a
1270584b44
13403488a3
1425700924
1517228237
hexf08e564

252241252 has 6 divisors (see below), whose sum is σ = 441422198. Its totient is φ = 126120624.

The previous prime is 252241243. The next prime is 252241259. The reversal of 252241252 is 252142252.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 38613796 = 14616^2 + 6214^2 .

It is not an unprimeable number, because it can be changed into a prime (252241259) by changing a digit.

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, 31530153 + ... + 31530160.

Almost surely, 2252241252 is an apocalyptic number.

It is an amenable number.

252241252 is a deficient number, since it is larger than the sum of its proper divisors (189180946).

252241252 is a wasteful number, since it uses less digits than its factorization.

252241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63060317 (or 63060315 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 252241252 is about 15882.1047723531. The cubic root of 252241252 is about 631.8374608719.

The spelling of 252241252 in words is "two hundred fifty-two million, two hundred forty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 63060313 126120626 252241252