Search a number
-
+
152117653 = 232287557
BaseRepresentation
bin10010001000100…
…10000110010101
3101121020101012011
421010102012111
5302420231103
623032224221
73524656462
oct1104220625
9347211164
10152117653
1178959276
1242b3b071
1325690a5c
14162ba669
15d54bd6d
hex9112195

152117653 has 6 divisors (see below), whose sum is σ = 159019574. Its totient is φ = 145503336.

The previous prime is 152117639. The next prime is 152117657. The reversal of 152117653 is 356711251.

It can be written as a sum of positive squares in only one way, i.e., 150847524 + 1270129 = 12282^2 + 1127^2 .

It is not a de Polignac number, because 152117653 - 25 = 152117621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152117657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143250 + ... + 144307.

Almost surely, 2152117653 is an apocalyptic number.

It is an amenable number.

152117653 is a deficient number, since it is larger than the sum of its proper divisors (6901921).

152117653 is an equidigital number, since it uses as much as digits as its factorization.

152117653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287603 (or 287580 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 152117653 is about 12333.5985421936. The cubic root of 152117653 is about 533.8179896096.

The spelling of 152117653 in words is "one hundred fifty-two million, one hundred seventeen thousand, six hundred fifty-three".

Divisors: 1 23 529 287557 6613811 152117653