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150988231 = 1937397541
BaseRepresentation
bin10001111111111…
…10010111000111
3101112002222220201
420333332113013
5302123110411
622552111331
73512243632
oct1077762707
9345088821
10150988231
1178257769
1242695547
1325386964
14160a4c19
15d3c73c1
hex8ffe5c7

150988231 has 16 divisors (see below), whose sum is σ = 163944160. Its totient is φ = 138568320.

The previous prime is 150988183. The next prime is 150988247. The reversal of 150988231 is 132889051.

It is a cyclic number.

It is not a de Polignac number, because 150988231 - 211 = 150986183 is a prime.

It is a super-2 number, since 2×1509882312 = 45594891801018722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150982231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278821 + ... + 279361.

It is an arithmetic number, because the mean of its divisors is an integer number (10246510).

Almost surely, 2150988231 is an apocalyptic number.

150988231 is a deficient number, since it is larger than the sum of its proper divisors (12955929).

150988231 is a wasteful number, since it uses less digits than its factorization.

150988231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 150988231 is about 12287.7268442947. The cubic root of 150988231 is about 532.4935671892.

The spelling of 150988231 in words is "one hundred fifty million, nine hundred eighty-eight thousand, two hundred thirty-one".

Divisors: 1 19 37 397 541 703 7543 10279 14689 20017 214777 279091 380323 4080763 7946749 150988231