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252712493 = 112107131149
BaseRepresentation
bin11110001000000…
…01011000101101
3122121112010100222
433010001120231
51004143244433
641024301125
76156010055
oct1704013055
9577463328
10252712493
1111a716700
12707717a5
1340482227
14257c4565
15172bcb98
hexf10162d

252712493 has 24 divisors (see below), whose sum is σ = 284407200. Its totient is φ = 224338400.

The previous prime is 252712489. The next prime is 252712513. The reversal of 252712493 is 394217252.

It is a happy number.

It is not a de Polignac number, because 252712493 - 22 = 252712489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252712423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695983 + ... + 1696131.

It is an arithmetic number, because the mean of its divisors is an integer number (11850300).

Almost surely, 2252712493 is an apocalyptic number.

It is an amenable number.

252712493 is a deficient number, since it is larger than the sum of its proper divisors (31694707).

252712493 is a wasteful number, since it uses less digits than its factorization.

252712493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 398 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 252712493 is about 15896.9334464229. The cubic root of 252712493 is about 632.2306855960.

The spelling of 252712493 in words is "two hundred fifty-two million, seven hundred twelve thousand, four hundred ninety-three".

Divisors: 1 11 107 121 131 149 1177 1441 1639 12947 14017 15851 15943 18029 19519 154187 175373 214709 1696057 1929103 2088533 2361799 22973863 252712493