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264135049 = 1679831609
BaseRepresentation
bin11111011111001…
…10000110001001
3200102000110011121
433233212012021
51020104310144
642113155241
76355053013
oct1757460611
9612013147
10264135049
11126108632
127455bb21
1342951439
14271191b3
15182c7384
hexfbe6189

264135049 has 8 divisors (see below), whose sum is σ = 266152320. Its totient is φ = 262123296.

The previous prime is 264135043. The next prime is 264135071. The reversal of 264135049 is 940531462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 264135049 - 213 = 264126857 is a prime.

It is a super-2 number, since 2×2641350492 = 139534648220464802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264135043) 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, 163357 + ... + 164965.

It is an arithmetic number, because the mean of its divisors is an integer number (33269040).

Almost surely, 2264135049 is an apocalyptic number.

It is an amenable number.

264135049 is a deficient number, since it is larger than the sum of its proper divisors (2017271).

264135049 is a wasteful number, since it uses less digits than its factorization.

264135049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 264135049 is about 16252.2321236192. The cubic root of 264135049 is about 641.6162348025.

The spelling of 264135049 in words is "two hundred sixty-four million, one hundred thirty-five thousand, forty-nine".

Divisors: 1 167 983 1609 164161 268703 1581647 264135049