Base | Representation |
---|---|
bin | 1110111100110… |
… | …10011110000101 |
3 | 22201222122122022 |
4 | 13132122132011 |
5 | 224101211003 |
6 | 20240012525 |
7 | 3051665210 |
oct | 736323605 |
9 | 281878568 |
10 | 125413253 |
11 | 64879919 |
12 | 36001145 |
13 | 1cca0b34 |
14 | 12928777 |
15 | b024738 |
hex | 779a785 |
125413253 has 4 divisors (see below), whose sum is σ = 143329440. Its totient is φ = 107497068.
The previous prime is 125413247. The next prime is 125413261. The reversal of 125413253 is 352314521.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 352314521 = 13 ⋅27101117.
It is not a de Polignac number, because 125413253 - 24 = 125413237 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 (125413553) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8958083 + ... + 8958096.
It is an arithmetic number, because the mean of its divisors is an integer number (35832360).
Almost surely, 2125413253 is an apocalyptic number.
It is an amenable number.
125413253 is a deficient number, since it is larger than the sum of its proper divisors (17916187).
125413253 is an equidigital number, since it uses as much as digits as its factorization.
125413253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17916186.
The product of its digits is 3600, while the sum is 26.
The square root of 125413253 is about 11198.8058738421. The cubic root of 125413253 is about 500.5503979020.
Adding to 125413253 its reverse (352314521), we get a palindrome (477727774).
The spelling of 125413253 in words is "one hundred twenty-five million, four hundred thirteen thousand, two hundred fifty-three".
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