Search a number
-
+
150541431 = 350180477
BaseRepresentation
bin10001111100100…
…01010001110111
3101111021022000120
420332101101313
5302014311211
622534343023
73505403205
oct1076212167
9344238016
10150541431
1177a82007
12424baa73
132525b491
1415dca075
15d339d06
hex8f91477

150541431 has 4 divisors (see below), whose sum is σ = 200721912. Its totient is φ = 100360952.

The previous prime is 150541411. The next prime is 150541471. The reversal of 150541431 is 134145051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134145051 = 344715017.

It is a cyclic number.

It is not a de Polignac number, because 150541431 - 25 = 150541399 is a prime.

It is a super-2 number, since 2×1505414312 = 45325444895055522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150541411) 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, 25090236 + ... + 25090241.

It is an arithmetic number, because the mean of its divisors is an integer number (50180478).

Almost surely, 2150541431 is an apocalyptic number.

150541431 is a deficient number, since it is larger than the sum of its proper divisors (50180481).

150541431 is an equidigital number, since it uses as much as digits as its factorization.

150541431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50180480.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 150541431 is about 12269.5326316857. The cubic root of 150541431 is about 531.9678017240.

Adding to 150541431 its reverse (134145051), we get a palindrome (284686482).

The spelling of 150541431 in words is "one hundred fifty million, five hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 50180477 150541431