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150872089 = 7121732
BaseRepresentation
bin10001111111000…
…10000000011001
3101111220002121011
420333202000121
5302110401324
622545413521
73511251214
oct1077420031
9344802534
10150872089
1178188485
124263a2a1
1325345b34
141607477b
15d3a2c94
hex8fe2019

150872089 has 9 divisors (see below), whose sum is σ = 153916639. Its totient is φ = 147887320.

The previous prime is 150872081. The next prime is 150872143. The reversal of 150872089 is 980278051.

The square root of 150872089 is 12283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 137241225 + 13630864 = 11715^2 + 3692^2 .

It is not a de Polignac number, because 150872089 - 23 = 150872081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150872081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 872007 + ... + 872179.

Almost surely, 2150872089 is an apocalyptic number.

150872089 is the 12283-rd square number.

150872089 is the 6142-nd centered octagonal number.

It is an amenable number.

150872089 is a deficient number, since it is larger than the sum of its proper divisors (3044550).

150872089 is an frugal number, since it uses more digits than its factorization.

150872089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The cubic root of 150872089 is about 532.3569986379.

The spelling of 150872089 in words is "one hundred fifty million, eight hundred seventy-two thousand, eighty-nine".

Divisors: 1 71 173 5041 12283 29929 872093 2124959 150872089