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252491104 = 257890347
BaseRepresentation
bin11110000110010…
…11010101100000
3122121002212200101
433003023111200
51004114203404
641015432144
76154065445
oct1703132540
9577085611
10252491104
1111a585338
1270685654
1340405528
14257679cc
15172772a4
hexf0cb560

252491104 has 12 divisors (see below), whose sum is σ = 497091924. Its totient is φ = 126245536.

The previous prime is 252491101. The next prime is 252491111. The reversal of 252491104 is 401194252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252491101) 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, 3945142 + ... + 3945205.

It is an arithmetic number, because the mean of its divisors is an integer number (41424327).

Almost surely, 2252491104 is an apocalyptic number.

It is an amenable number.

252491104 is a deficient number, since it is larger than the sum of its proper divisors (244600820).

252491104 is an equidigital number, since it uses as much as digits as its factorization.

252491104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890357 (or 7890349 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 252491104 is about 15889.9686595034. The cubic root of 252491104 is about 632.0460095757.

The spelling of 252491104 in words is "two hundred fifty-two million, four hundred ninety-one thousand, one hundred four".

Divisors: 1 2 4 8 16 32 7890347 15780694 31561388 63122776 126245552 252491104