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150404131 = 1204112491
BaseRepresentation
bin10001111011011…
…11110000100011
3101111000022200101
420331233300203
5302000413011
622531403231
73504262003
oct1075576043
9344008611
10150404131
1177998939
1242453517
1325210b37
1415d92003
15d30e2c1
hex8f6fc23

150404131 has 4 divisors (see below), whose sum is σ = 150428664. Its totient is φ = 150379600.

The previous prime is 150404129. The next prime is 150404143. The reversal of 150404131 is 131404051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 131404051 = 337389923.

It is a cyclic number.

It is not a de Polignac number, because 150404131 - 21 = 150404129 is a prime.

It is a super-2 number, since 2×1504041312 = 45242805243730322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150404099 and 150404108.

It is not an unprimeable number, because it can be changed into a prime (150404431) 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, 5796 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (37607166).

Almost surely, 2150404131 is an apocalyptic number.

150404131 is a deficient number, since it is larger than the sum of its proper divisors (24533).

150404131 is a wasteful number, since it uses less digits than its factorization.

150404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24532.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 150404131 is about 12263.9361952026. The cubic root of 150404131 is about 531.8060270000.

Adding to 150404131 its reverse (131404051), we get a palindrome (281808182).

The spelling of 150404131 in words is "one hundred fifty million, four hundred four thousand, one hundred thirty-one".

Divisors: 1 12041 12491 150404131