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150213861 = 32721033307
BaseRepresentation
bin10001111010000…
…01010011100101
3101110122122200100
420331001103211
5301423320421
622523334313
73502540200
oct1075012345
9343578610
10150213861
1177878996
1242381399
1325175355
1415d42937
15d2c2c26
hex8f414e5

150213861 has 36 divisors (see below), whose sum is σ = 254927712. Its totient is φ = 84977424.

The previous prime is 150213859. The next prime is 150213883. The reversal of 150213861 is 168312051.

It is not a de Polignac number, because 150213861 - 21 = 150213859 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150213841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43770 + ... + 47076.

Almost surely, 2150213861 is an apocalyptic number.

It is an amenable number.

150213861 is a deficient number, since it is larger than the sum of its proper divisors (104713851).

150213861 is a wasteful number, since it uses less digits than its factorization.

150213861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 150213861 is about 12256.1764429205. The cubic root of 150213861 is about 531.5816771520.

The spelling of 150213861 in words is "one hundred fifty million, two hundred thirteen thousand, eight hundred sixty-one".

Divisors: 1 3 7 9 21 49 63 103 147 309 441 721 927 2163 3307 5047 6489 9921 15141 23149 29763 45423 69447 162043 208341 340621 486129 1021863 1458387 2384347 3065589 7153041 16690429 21459123 50071287 150213861