Search a number
-
+
925813011 = 3991311407
BaseRepresentation
bin110111001011101…
…100100100010011
32101112002011200210
4313023230210103
53344002004021
6231511215203
731641165204
oct6713544423
92345064623
10925813011
11435663022
1221a077503
13119a63966
148ad595ab
1556429e76
hex372ec913

925813011 has 8 divisors (see below), whose sum is σ = 1235666944. Its totient is φ = 616583880.

The previous prime is 925812991. The next prime is 925813037. The reversal of 925813011 is 110318529.

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

It is not a de Polignac number, because 925813011 - 26 = 925812947 is a prime.

It is a super-2 number, since 2×9258130112 = 1714259462673772242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 925813011.

It is not an unprimeable number, because it can be changed into a prime (925113011) 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, 152731 + ... + 158676.

It is an arithmetic number, because the mean of its divisors is an integer number (154458368).

Almost surely, 2925813011 is an apocalyptic number.

925813011 is a deficient number, since it is larger than the sum of its proper divisors (309853933).

925813011 is a wasteful number, since it uses less digits than its factorization.

925813011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312401.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 925813011 is about 30427.1755343804. The cubic root of 925813011 is about 974.6329579641.

The spelling of 925813011 in words is "nine hundred twenty-five million, eight hundred thirteen thousand, eleven".

Divisors: 1 3 991 2973 311407 934221 308604337 925813011