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150235531 is a prime number
BaseRepresentation
bin10001111010001…
…10100110001011
3101110200202101221
420331012212023
5301430014111
622524022511
73502660315
oct1075064613
9343622357
10150235531
11778931a6
1242391a37
1325182184
1415d4a7b5
15d2c9371
hex8f4698b

150235531 has 2 divisors, whose sum is σ = 150235532. Its totient is φ = 150235530.

The previous prime is 150235529. The next prime is 150235543. The reversal of 150235531 is 135532051.

150235531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150235531 - 21 = 150235529 is a prime.

It is a super-2 number, since 2×1502355312 = 45141429549703922, which contains 22 as substring.

Together with 150235529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 150235496 and 150235505.

It is not a weakly prime, because it can be changed into another prime (150235571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75117765 + 75117766.

It is an arithmetic number, because the mean of its divisors is an integer number (75117766).

Almost surely, 2150235531 is an apocalyptic number.

150235531 is a deficient number, since it is larger than the sum of its proper divisors (1).

150235531 is an equidigital number, since it uses as much as digits as its factorization.

150235531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 150235531 is about 12257.0604551010. The cubic root of 150235531 is about 531.6072380888.

Adding to 150235531 its reverse (135532051), we get a palindrome (285767582).

The spelling of 150235531 in words is "one hundred fifty million, two hundred thirty-five thousand, five hundred thirty-one".