Base | Representation |
---|---|
bin | 1110111100100… |
… | …11010111010101 |
3 | 22201221011201101 |
4 | 13132103113111 |
5 | 224044243044 |
6 | 20235230101 |
7 | 3051514312 |
oct | 736232725 |
9 | 281834641 |
10 | 125384149 |
11 | 64859a70 |
12 | 35ba8331 |
13 | 1cc90807 |
14 | 1291bd09 |
15 | b01acd4 |
hex | 77935d5 |
125384149 has 4 divisors (see below), whose sum is σ = 136782720. Its totient is φ = 113985580.
The previous prime is 125384137. The next prime is 125384153. The reversal of 125384149 is 941483521.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 125384149 - 215 = 125351381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125384159) 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 3 ways as a sum of consecutive naturals, for example, 5699269 + ... + 5699290.
It is an arithmetic number, because the mean of its divisors is an integer number (34195680).
Almost surely, 2125384149 is an apocalyptic number.
It is an amenable number.
125384149 is a deficient number, since it is larger than the sum of its proper divisors (11398571).
125384149 is a wasteful number, since it uses less digits than its factorization.
125384149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11398570.
The product of its digits is 34560, while the sum is 37.
The square root of 125384149 is about 11197.5063741889. The cubic root of 125384149 is about 500.5116748657.
The spelling of 125384149 in words is "one hundred twenty-five million, three hundred eighty-four thousand, one hundred forty-nine".
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