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150666331 = 377183691
BaseRepresentation
bin10001111101011…
…11110001011011
3101111111122100111
420332233301123
5302032310311
622541145151
73506433304
oct1076576133
9344448314
10150666331
1178057932
124255b1b7
13252a329a
141601d7ab
15d361d21
hex8fafc5b

150666331 has 16 divisors (see below), whose sum is σ = 159038208. Its totient is φ = 142581600.

The previous prime is 150666319. The next prime is 150666337. The reversal of 150666331 is 133666051.

It is a cyclic number.

It is not a de Polignac number, because 150666331 - 29 = 150665819 is a prime.

It is a super-2 number, since 2×1506663312 = 45400686594003122, 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 = 150666293 and 150666302.

It is not an unprimeable number, because it can be changed into a prime (150666337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217696 + ... + 218386.

It is an arithmetic number, because the mean of its divisors is an integer number (9939888).

Almost surely, 2150666331 is an apocalyptic number.

150666331 is a deficient number, since it is larger than the sum of its proper divisors (8371877).

150666331 is an equidigital number, since it uses as much as digits as its factorization.

150666331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 150666331 is about 12274.6214198239. The cubic root of 150666331 is about 532.1148806405.

Adding to 150666331 its product of nonzero digits (9720), we get a palindrome (150676051).

The spelling of 150666331 in words is "one hundred fifty million, six hundred sixty-six thousand, three hundred thirty-one".

Divisors: 1 37 71 83 691 2627 3071 5893 25567 49061 57353 218041 1815257 2122061 4072063 150666331