Base | Representation |
---|---|
bin | 10010110101001… |
… | …11111000001001 |
3 | 102000020220121211 |
4 | 21122213320021 |
5 | 310420132100 |
6 | 23401533121 |
7 | 3625520446 |
oct | 1132477011 |
9 | 360226554 |
10 | 157974025 |
11 | 81199250 |
12 | 44aa41a1 |
13 | 26961571 |
14 | 16da29cd |
15 | dd071ba |
hex | 96a7e09 |
157974025 has 24 divisors (see below), whose sum is σ = 218923488. Its totient is φ = 112080000.
The previous prime is 157974023. The next prime is 157974029. The reversal of 157974025 is 520479751.
157974025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 157974025 - 21 = 157974023 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 (157974023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270 + ... + 18280.
It is an arithmetic number, because the mean of its divisors is an integer number (9121812).
Almost surely, 2157974025 is an apocalyptic number.
It is an amenable number.
157974025 is a deficient number, since it is larger than the sum of its proper divisors (60949463).
157974025 is a wasteful number, since it uses less digits than its factorization.
157974025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14073 (or 14068 counting only the distinct ones).
The product of its (nonzero) digits is 88200, while the sum is 40.
The square root of 157974025 is about 12568.7718174848. The cubic root of 157974025 is about 540.5823906410.
The spelling of 157974025 in words is "one hundred fifty-seven million, nine hundred seventy-four thousand, twenty-five".
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