Base | Representation |
---|---|
bin | 1110111100100… |
… | …10111110100101 |
3 | 22201221002112201 |
4 | 13132102332211 |
5 | 224044220230 |
6 | 20235214501 |
7 | 3051506560 |
oct | 736227645 |
9 | 281832481 |
10 | 125382565 |
11 | 64858860 |
12 | 35ba7431 |
13 | 1cc8cb89 |
14 | 1291b4d7 |
15 | b01a5ca |
hex | 7792fa5 |
125382565 has 32 divisors (see below), whose sum is σ = 198630144. Its totient is φ = 73559040.
The previous prime is 125382563. The next prime is 125382571. The reversal of 125382565 is 565283521.
It is a happy number.
It is not a de Polignac number, because 125382565 - 21 = 125382563 is a prime.
It is a super-3 number, since 3×1253825653 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125382563) 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 31 ways as a sum of consecutive naturals, for example, 3034 + ... + 16123.
It is an arithmetic number, because the mean of its divisors is an integer number (6207192).
Almost surely, 2125382565 is an apocalyptic number.
It is an amenable number.
125382565 is a deficient number, since it is larger than the sum of its proper divisors (73247579).
125382565 is a wasteful number, since it uses less digits than its factorization.
125382565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19197.
The product of its digits is 72000, while the sum is 37.
The square root of 125382565 is about 11197.4356439321. The cubic root of 125382565 is about 500.5095671728.
The spelling of 125382565 in words is "one hundred twenty-five million, three hundred eighty-two thousand, five hundred sixty-five".
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