Search a number
-
+
150030561 = 31273791039
BaseRepresentation
bin10001111000101…
…00100011100001
3101110022100020110
420330110203201
5301401434221
622515401533
73501144612
oct1074244341
9343270213
10150030561
11777631aa
12422b32a9
132510caa5
1415cd5c09
15d288776
hex8f148e1

150030561 has 16 divisors (see below), whose sum is σ = 202342400. Its totient is φ = 98875728.

The previous prime is 150030557. The next prime is 150030583. The reversal of 150030561 is 165030051.

It is a happy number.

It is not a de Polignac number, because 150030561 - 22 = 150030557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150030161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143880 + ... + 144918.

It is an arithmetic number, because the mean of its divisors is an integer number (12646400).

Almost surely, 2150030561 is an apocalyptic number.

It is an amenable number.

150030561 is a deficient number, since it is larger than the sum of its proper divisors (52311839).

150030561 is a wasteful number, since it uses less digits than its factorization.

150030561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 150030561 is about 12248.6962979739. The cubic root of 150030561 is about 531.3653664838.

The spelling of 150030561 in words is "one hundred fifty million, thirty thousand, five hundred sixty-one".

Divisors: 1 3 127 379 381 1039 1137 3117 48133 131953 144399 393781 395859 1181343 50010187 150030561