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149223127 = 172836221
BaseRepresentation
bin10001110010011…
…11011011010111
3101101210022122111
420321033123113
5301200120002
622450211451
73461242564
oct1071173327
9341708574
10149223127
11772615a9
1241b83b87
1324bb9411
1415b6586b
15d1793d7
hex8e4f6d7

149223127 has 12 divisors (see below), whose sum is σ = 160452936. Its totient is φ = 138730880.

The previous prime is 149223101. The next prime is 149223133. The reversal of 149223127 is 721322941.

It is not a de Polignac number, because 149223127 - 27 = 149222999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149223197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20877 + ... + 27097.

It is an arithmetic number, because the mean of its divisors is an integer number (13371078).

Almost surely, 2149223127 is an apocalyptic number.

149223127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149223127 is a deficient number, since it is larger than the sum of its proper divisors (11229809).

149223127 is an equidigital number, since it uses as much as digits as its factorization.

149223127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6321 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 149223127 is about 12215.6918346854. The cubic root of 149223127 is about 530.4104178318.

The spelling of 149223127 in words is "one hundred forty-nine million, two hundred twenty-three thousand, one hundred twenty-seven".

Divisors: 1 17 83 289 1411 6221 23987 105757 516343 1797869 8777831 149223127