Search a number
-
+
152156225 = 5213468173
BaseRepresentation
bin10010001000110…
…11100001000001
3101121022100002202
421010123201001
5302422444400
623033122545
73525210104
oct1104334101
9347270082
10152156225
1178985251
1242b59455
13256a5490
14162ca73b
15d5584d5
hex911b841

152156225 has 12 divisors (see below), whose sum is σ = 203187516. Its totient is φ = 112361280.

The previous prime is 152156209. The next prime is 152156233. The reversal of 152156225 is 522651251.

It can be written as a sum of positive squares in 6 ways, for example, as 6012304 + 146143921 = 2452^2 + 12089^2 .

It is not a de Polignac number, because 152156225 - 24 = 152156209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233762 + ... + 234411.

It is an arithmetic number, because the mean of its divisors is an integer number (16932293).

Almost surely, 2152156225 is an apocalyptic number.

It is an amenable number.

152156225 is a deficient number, since it is larger than the sum of its proper divisors (51031291).

152156225 is a wasteful number, since it uses less digits than its factorization.

152156225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468196 (or 468191 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 152156225 is about 12335.1621391857. The cubic root of 152156225 is about 533.8631053188.

The spelling of 152156225 in words is "one hundred fifty-two million, one hundred fifty-six thousand, two hundred twenty-five".

Divisors: 1 5 13 25 65 325 468173 2340865 6086249 11704325 30431245 152156225