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264152857 is a prime number
BaseRepresentation
bin11111011111010…
…10011100011001
3200102001100121011
433233222130121
51020110342412
642113413521
76355155643
oct1757523431
9612040534
10264152857
1112611aa51
127456a2a1
1342959587
1427121893
15182cc7a7
hexfbea719

264152857 has 2 divisors, whose sum is σ = 264152858. Its totient is φ = 264152856.

The previous prime is 264152849. The next prime is 264152869. The reversal of 264152857 is 758251462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259242201 + 4910656 = 16101^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 264152857 - 23 = 264152849 is a prime.

It is a super-2 number, since 2×2641528572 = 139553463722524898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264152807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132076428 + 132076429.

It is an arithmetic number, because the mean of its divisors is an integer number (132076429).

Almost surely, 2264152857 is an apocalyptic number.

It is an amenable number.

264152857 is a deficient number, since it is larger than the sum of its proper divisors (1).

264152857 is an equidigital number, since it uses as much as digits as its factorization.

264152857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 264152857 is about 16252.7799775915. The cubic root of 264152857 is about 641.6306537462.

The spelling of 264152857 in words is "two hundred sixty-four million, one hundred fifty-two thousand, eight hundred fifty-seven".