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150669 = 3216741
BaseRepresentation
bin100100110010001101
321122200100
4210302031
514310134
63121313
71165161
oct446215
9248610
10150669
11a3222
1273239
135376c
143cca1
152e999
hex24c8d

150669 has 6 divisors (see below), whose sum is σ = 217646. Its totient is φ = 100440.

The previous prime is 150659. The next prime is 150697. The reversal of 150669 is 966051.

It can be written as a sum of positive squares in only one way, i.e., 149769 + 900 = 387^2 + 30^2 .

It is not a de Polignac number, because 150669 - 28 = 150413 is a prime.

It is a super-2 number, since 2×1506692 = 45402295122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8362 + ... + 8379.

2150669 is an apocalyptic number.

It is an amenable number.

150669 is a deficient number, since it is larger than the sum of its proper divisors (66977).

150669 is a wasteful number, since it uses less digits than its factorization.

150669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747 (or 16744 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 150669 is about 388.1610490505. The cubic root of 150669 is about 53.2118022697.

The spelling of 150669 in words is "one hundred fifty thousand, six hundred sixty-nine".

Divisors: 1 3 9 16741 50223 150669