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252936497 = 1123999749
BaseRepresentation
bin11110001001110…
…00000100110001
3122121221111122102
433010320010301
51004222431442
641033150145
76160632122
oct1704700461
9577844572
10252936497
1111a859a30
127085b355
1340530188
1425842049
1517314232
hexf138131

252936497 has 8 divisors (see below), whose sum is σ = 287928000. Its totient is φ = 219944560.

The previous prime is 252936479. The next prime is 252936499. The reversal of 252936497 is 794639252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252936497 - 224 = 236159281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252936499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499622 + ... + 500127.

It is an arithmetic number, because the mean of its divisors is an integer number (35991000).

Almost surely, 2252936497 is an apocalyptic number.

It is an amenable number.

252936497 is a deficient number, since it is larger than the sum of its proper divisors (34991503).

252936497 is a wasteful number, since it uses less digits than its factorization.

252936497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999783.

The product of its digits is 816480, while the sum is 47.

The square root of 252936497 is about 15903.9773956077. The cubic root of 252936497 is about 632.4174332274.

The spelling of 252936497 in words is "two hundred fifty-two million, nine hundred thirty-six thousand, four hundred ninety-seven".

Divisors: 1 11 23 253 999749 10997239 22994227 252936497