Base | Representation |
---|---|
bin | 1110111101000… |
… | …10000011111111 |
3 | 22202001020022002 |
4 | 13132202003333 |
5 | 224103204401 |
6 | 20240412515 |
7 | 3052154654 |
oct | 736420377 |
9 | 282036262 |
10 | 125444351 |
11 | 648a021a |
12 | 3601713b |
13 | 1ccb2036 |
14 | 12935c2b |
15 | b02da6b |
hex | 77a20ff |
125444351 has 4 divisors (see below), whose sum is σ = 126554592. Its totient is φ = 124334112.
The previous prime is 125444329. The next prime is 125444381. The reversal of 125444351 is 153444521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125444351 is a prime.
It is a super-2 number, since 2×1254443512 = 31472570395622402, which contains 22 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 (125444381) 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, 554951 + ... + 555176.
It is an arithmetic number, because the mean of its divisors is an integer number (31638648).
Almost surely, 2125444351 is an apocalyptic number.
125444351 is a deficient number, since it is larger than the sum of its proper divisors (1110241).
125444351 is a wasteful number, since it uses less digits than its factorization.
125444351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1110240.
The product of its digits is 9600, while the sum is 29.
The square root of 125444351 is about 11200.1942393871. The cubic root of 125444351 is about 500.5917673465.
Adding to 125444351 its reverse (153444521), we get a palindrome (278888872).
The spelling of 125444351 in words is "one hundred twenty-five million, four hundred forty-four thousand, three hundred fifty-one".
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