Base | Representation |
---|---|
bin | 1110111101110… |
… | …01101000111011 |
3 | 22202020010202211 |
4 | 13132321220323 |
5 | 224114302143 |
6 | 20242435551 |
7 | 3053036344 |
oct | 736715073 |
9 | 282203684 |
10 | 125540923 |
11 | 64956832 |
12 | 36062bb7 |
13 | 20016c91 |
14 | 1295d0cb |
15 | b04c49d |
hex | 77b9a3b |
125540923 has 8 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 113762088.
The previous prime is 125540881. The next prime is 125540927. The reversal of 125540923 is 329045521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125540923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125540927) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143203 + ... + 144076.
It is an arithmetic number, because the mean of its divisors is an integer number (17236800).
Almost surely, 2125540923 is an apocalyptic number.
125540923 is a deficient number, since it is larger than the sum of its proper divisors (12353477).
125540923 is a wasteful number, since it uses less digits than its factorization.
125540923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287321.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 125540923 is about 11204.5045852104. The cubic root of 125540923 is about 500.7201928132.
The spelling of 125540923 in words is "one hundred twenty-five million, five hundred forty thousand, nine hundred twenty-three".
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