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150531233 = 1151130783
BaseRepresentation
bin10001111100011…
…10110010100001
3101111020210000212
420332032302201
5302013444413
622534223505
73505331366
oct1076166241
9344223025
10150531233
1177a75386
12424b4b95
1325256948
1415dc646d
15d336ca8
hex8f8eca1

150531233 has 4 divisors (see below), whose sum is σ = 150663168. Its totient is φ = 150399300.

The previous prime is 150531203. The next prime is 150531253. The reversal of 150531233 is 332135051.

150531233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150531233 - 26 = 150531169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150531199 and 150531208.

It is not an unprimeable number, because it can be changed into a prime (150531203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64241 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (37665792).

Almost surely, 2150531233 is an apocalyptic number.

It is an amenable number.

150531233 is a deficient number, since it is larger than the sum of its proper divisors (131935).

150531233 is a wasteful number, since it uses less digits than its factorization.

150531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131934.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 150531233 is about 12269.1170423955. The cubic root of 150531233 is about 531.9557892388.

Adding to 150531233 its reverse (332135051), we get a palindrome (482666284).

The spelling of 150531233 in words is "one hundred fifty million, five hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 1151 130783 150531233