Search a number
-
+
151033257 = 3233614993
BaseRepresentation
bin10010000000010…
…01010110101001
3101112012021200100
421000021112221
5302131031012
622553100013
73512522124
oct1100112651
9345167610
10151033257
1178288581
12426b7609
13253a12bb
14160b73bb
15d3d58dc
hex90095a9

151033257 has 12 divisors (see below), whose sum is σ = 218267764. Its totient is φ = 100638720.

The previous prime is 151033241. The next prime is 151033291. The reversal of 151033257 is 752330151.

It can be written as a sum of positive squares in 2 ways, for example, as 83612736 + 67420521 = 9144^2 + 8211^2 .

It is not a de Polignac number, because 151033257 - 24 = 151033241 is a prime.

It is a super-2 number, since 2×1510332572 = 45622089440056098, 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 151033257.

It is not an unprimeable number, because it can be changed into a prime (151033237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27753 + ... + 32745.

Almost surely, 2151033257 is an apocalyptic number.

It is an amenable number.

151033257 is a deficient number, since it is larger than the sum of its proper divisors (67234507).

151033257 is a wasteful number, since it uses less digits than its factorization.

151033257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360 (or 8357 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 151033257 is about 12289.5588610820. The cubic root of 151033257 is about 532.5464933286.

The spelling of 151033257 in words is "one hundred fifty-one million, thirty-three thousand, two hundred fifty-seven".

Divisors: 1 3 9 3361 4993 10083 14979 30249 44937 16781473 50344419 151033257