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150431461 = 295750873
BaseRepresentation
bin10001111011101…
…10011011100101
3101111001201011121
420331312123211
5302002301321
622532133541
73504434455
oct1075663345
9344051147
10150431461
1177a07424
12424672b1
13252203cb
1415d9bd65
15d317441
hex8f766e5

150431461 has 4 divisors (see below), whose sum is σ = 150485292. Its totient is φ = 150377632.

The previous prime is 150431389. The next prime is 150431471. The reversal of 150431461 is 164134051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164134051 = 391741903.

It can be written as a sum of positive squares in 2 ways, for example, as 56535361 + 93896100 = 7519^2 + 9690^2 .

It is a cyclic number.

It is not a de Polignac number, because 150431461 - 215 = 150398693 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 (150431471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22480 + ... + 28393.

It is an arithmetic number, because the mean of its divisors is an integer number (37621323).

Almost surely, 2150431461 is an apocalyptic number.

It is an amenable number.

150431461 is a deficient number, since it is larger than the sum of its proper divisors (53831).

150431461 is an equidigital number, since it uses as much as digits as its factorization.

150431461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53830.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 150431461 is about 12265.0503871774. The cubic root of 150431461 is about 531.8382366172.

The spelling of 150431461 in words is "one hundred fifty million, four hundred thirty-one thousand, four hundred sixty-one".

Divisors: 1 2957 50873 150431461