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252712492 = 222292631049
BaseRepresentation
bin11110001000000…
…01011000101100
3122121112010100221
433010001120230
51004143244432
641024301124
76156010054
oct1704013054
9577463327
10252712492
1111a7166aa
12707717a4
1340482226
14257c4564
15172bcb97
hexf10162c

252712492 has 24 divisors (see below), whose sum is σ = 446292000. Its totient is φ = 125206656.

The previous prime is 252712489. The next prime is 252712513. The reversal of 252712492 is 294217252.

It is a happy number.

It is a super-2 number, since 2×2527124922 = 127727207225700128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240384 + ... + 241432.

It is an arithmetic number, because the mean of its divisors is an integer number (18595500).

Almost surely, 2252712492 is an apocalyptic number.

It is an amenable number.

252712492 is a deficient number, since it is larger than the sum of its proper divisors (193579508).

252712492 is a wasteful number, since it uses less digits than its factorization.

252712492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1543 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 252712492 is about 15896.9334149703. The cubic root of 252712492 is about 632.2306847621.

The spelling of 252712492 in words is "two hundred fifty-two million, seven hundred twelve thousand, four hundred ninety-two".

Divisors: 1 2 4 229 263 458 526 916 1049 1052 2098 4196 60227 120454 240221 240908 275887 480442 551774 960884 1103548 63178123 126356246 252712492