Search a number
-
+
264715031 = 7157240869
BaseRepresentation
bin11111100011100…
…11101100010111
3200110002220202102
433301303230113
51020231340111
642133432315
76363016640
oct1761635427
9613086672
10264715031
11126474359
127479b69b
1342ac5419
142722a6c7
151838e13b
hexfc73b17

264715031 has 8 divisors (see below), whose sum is σ = 304459680. Its totient is φ = 225452448.

The previous prime is 264715021. The next prime is 264715063. The reversal of 264715031 is 130517462.

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 264715031 - 214 = 264698647 is a prime.

It is a super-2 number, since 2×2647150312 = 140148095274661922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264714985 and 264715003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264715021) 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, 119336 + ... + 121533.

It is an arithmetic number, because the mean of its divisors is an integer number (38057460).

Almost surely, 2264715031 is an apocalyptic number.

264715031 is a deficient number, since it is larger than the sum of its proper divisors (39744649).

264715031 is a wasteful number, since it uses less digits than its factorization.

264715031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241033.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 264715031 is about 16270.0654884976. The cubic root of 264715031 is about 642.0855071585.

The spelling of 264715031 in words is "two hundred sixty-four million, seven hundred fifteen thousand, thirty-one".

Divisors: 1 7 157 1099 240869 1686083 37816433 264715031