Search a number
-
+
152008871 = 7139156227
BaseRepresentation
bin10010000111101…
…11100010100111
3101121000211222012
421003313202213
5302403240441
623030024435
73524024360
oct1103674247
9347024865
10152008871
1178894573
1242aa811b
13256533a1
141628cb67
15d5299eb
hex90f78a7

152008871 has 8 divisors (see below), whose sum is σ = 174975360. Its totient is φ = 129355128.

The previous prime is 152008861. The next prime is 152008897. The reversal of 152008871 is 178800251.

It is a happy number.

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

It is not a de Polignac number, because 152008871 - 222 = 147814567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152008811) 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, 77141 + ... + 79086.

It is an arithmetic number, because the mean of its divisors is an integer number (21871920).

Almost surely, 2152008871 is an apocalyptic number.

152008871 is a deficient number, since it is larger than the sum of its proper divisors (22966489).

152008871 is a wasteful number, since it uses less digits than its factorization.

152008871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156373.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 152008871 is about 12329.1877672457. The cubic root of 152008871 is about 533.6907117315.

The spelling of 152008871 in words is "one hundred fifty-two million, eight thousand, eight hundred seventy-one".

Divisors: 1 7 139 973 156227 1093589 21715553 152008871