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252712941 = 31313034973
BaseRepresentation
bin11110001000000…
…01011111101101
3122121112010222120
433010001133231
51004143303231
641024303153
76156011265
oct1704013755
9577463876
10252712941
1111a716a78
1270771ab9
13404824b0
14257c47a5
15172bcd96
hexf1017ed

252712941 has 16 divisors (see below), whose sum is σ = 363221376. Its totient is φ = 155365056.

The previous prime is 252712909. The next prime is 252712949. The reversal of 252712941 is 149217252.

It is not a de Polignac number, because 252712941 - 25 = 252712909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252712949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48331 + ... + 53303.

It is an arithmetic number, because the mean of its divisors is an integer number (22701336).

Almost surely, 2252712941 is an apocalyptic number.

It is an amenable number.

252712941 is a deficient number, since it is larger than the sum of its proper divisors (110508435).

252712941 is a wasteful number, since it uses less digits than its factorization.

252712941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292.

The product of its digits is 10080, while the sum is 33.

The square root of 252712941 is about 15896.9475371846. The cubic root of 252712941 is about 632.2310591947.

The spelling of 252712941 in words is "two hundred fifty-two million, seven hundred twelve thousand, nine hundred forty-one".

Divisors: 1 3 13 39 1303 3909 4973 14919 16939 50817 64649 193947 6479819 19439457 84237647 252712941