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264000749 is a prime number
BaseRepresentation
bin11111011110001…
…01010011101101
3200101202121221112
433233011103231
51020041010444
642110241405
76353653325
oct1757052355
9611677845
10264000749
11126026741
12744b6265
134290527c
14270c2285
151829c69e
hexfbc54ed

264000749 has 2 divisors, whose sum is σ = 264000750. Its totient is φ = 264000748.

The previous prime is 264000727. The next prime is 264000757. The reversal of 264000749 is 947000462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218005225 + 45995524 = 14765^2 + 6782^2 .

It is a cyclic number.

It is not a de Polignac number, because 264000749 - 212 = 263996653 is a prime.

It is a super-2 number, since 2×2640007492 = 139392790945122002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264003749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132000374 + 132000375.

It is an arithmetic number, because the mean of its divisors is an integer number (132000375).

Almost surely, 2264000749 is an apocalyptic number.

It is an amenable number.

264000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

264000749 is an equidigital number, since it uses as much as digits as its factorization.

264000749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 264000749 is about 16248.0998581373. The cubic root of 264000749 is about 641.5074726762.

The spelling of 264000749 in words is "two hundred sixty-four million, seven hundred forty-nine", and thus it is an aban number.