Base | Representation |
---|---|
bin | 1110111010001… |
… | …11001101110111 |
3 | 22201100022212110 |
4 | 13131013031313 |
5 | 224004302442 |
6 | 20224422103 |
7 | 3046045056 |
oct | 735071567 |
9 | 281308773 |
10 | 125072247 |
11 | 646666a3 |
12 | 35a77933 |
13 | 1cbb1861 |
14 | 1287a39d |
15 | aea869c |
hex | 7747377 |
125072247 has 32 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 75299328.
The previous prime is 125072237. The next prime is 125072279. The reversal of 125072247 is 742270521.
It is not a de Polignac number, because 125072247 - 210 = 125071223 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125072237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148654 + ... + 149492.
It is an arithmetic number, because the mean of its divisors is an integer number (5745600).
Almost surely, 2125072247 is an apocalyptic number.
125072247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
125072247 is a deficient number, since it is larger than the sum of its proper divisors (58786953).
125072247 is a wasteful number, since it uses less digits than its factorization.
125072247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 975.
The product of its (nonzero) digits is 7840, while the sum is 30.
The square root of 125072247 is about 11183.5704048394. The cubic root of 125072247 is about 500.0963107806.
The spelling of 125072247 in words is "one hundred twenty-five million, seventy-two thousand, two hundred forty-seven".
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