Base | Representation |
---|---|
bin | 1111000000000… |
… | …00100100011010 |
3 | 22202202220022002 |
4 | 13200000210122 |
5 | 224203101300 |
6 | 20253001002 |
7 | 3055356353 |
oct | 740004432 |
9 | 282686262 |
10 | 125831450 |
11 | 65035038 |
12 | 36183162 |
13 | 200b92a4 |
14 | 129d6d2a |
15 | b0a85d5 |
hex | 780091a |
125831450 has 48 divisors (see below), whose sum is σ = 254575224. Its totient is φ = 46080000.
The previous prime is 125831443. The next prime is 125831479. The reversal of 125831450 is 54138521.
It can be written as a sum of positive squares in 12 ways, for example, as 13535041 + 112296409 = 3679^2 + 10597^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29450 + ... + 33450.
Almost surely, 2125831450 is an apocalyptic number.
125831450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125831450 is an abundant number, since it is smaller than the sum of its proper divisors (128743774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125831450 is a wasteful number, since it uses less digits than its factorization.
125831450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4067 (or 4062 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 125831450 is about 11217.4618341227. The cubic root of 125831450 is about 501.1061510551.
Adding to 125831450 its reverse (54138521), we get a palindrome (179969971).
It can be divided in two parts, 1258 and 31450, that multiplied together give a square (39564100 = 62902).
The spelling of 125831450 in words is "one hundred twenty-five million, eight hundred thirty-one thousand, four hundred fifty".
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