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149193125 = 54238709
BaseRepresentation
bin10001110010010…
…00000110100101
3101101201210111022
420321020012211
5301143140000
622445420525
73461056244
oct1071100645
9341653438
10149193125
1177241004
1241b6a745
1324ba8873
1415b5895b
15d170585
hex8e481a5

149193125 has 10 divisors (see below), whose sum is σ = 186432510. Its totient is φ = 119354000.

The previous prime is 149193089. The next prime is 149193151. The reversal of 149193125 is 521391941.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 55606849 + 93586276 = 7457^2 + 9674^2 .

It is not a de Polignac number, because 149193125 - 26 = 149193061 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 118730 + ... + 119979.

It is an arithmetic number, because the mean of its divisors is an integer number (18643251).

Almost surely, 2149193125 is an apocalyptic number.

It is an amenable number.

149193125 is a deficient number, since it is larger than the sum of its proper divisors (37239385).

149193125 is an frugal number, since it uses more digits than its factorization.

149193125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238729 (or 238714 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 149193125 is about 12214.4637622779. The cubic root of 149193125 is about 530.3748682931.

The spelling of 149193125 in words is "one hundred forty-nine million, one hundred ninety-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 238709 1193545 5967725 29838625 149193125