Base | Representation |
---|---|
bin | 1110111001101… |
… | …01000101000101 |
3 | 22201012112221222 |
4 | 13130311011011 |
5 | 223444413312 |
6 | 20223050125 |
7 | 3045315350 |
oct | 734650505 |
9 | 281175858 |
10 | 124997957 |
11 | 646158a7 |
12 | 35a40945 |
13 | 1cb86ab6 |
14 | 1285b297 |
15 | ae91672 |
hex | 7735145 |
124997957 has 16 divisors (see below), whose sum is σ = 154483200. Its totient is φ = 98688768.
The previous prime is 124997953. The next prime is 124997959. The reversal of 124997957 is 759799421.
It is a cyclic number.
It is not a de Polignac number, because 124997957 - 22 = 124997953 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 124997899 and 124997908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124997953) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582 + ... + 16767.
It is an arithmetic number, because the mean of its divisors is an integer number (9655200).
Almost surely, 2124997957 is an apocalyptic number.
124997957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
124997957 is a deficient number, since it is larger than the sum of its proper divisors (29485243).
124997957 is a wasteful number, since it uses less digits than its factorization.
124997957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22420.
The product of its digits is 1428840, while the sum is 53.
The square root of 124997957 is about 11180.2485213881. The cubic root of 124997957 is about 499.9972759852.
The spelling of 124997957 in words is "one hundred twenty-four million, nine hundred ninety-seven thousand, nine hundred fifty-seven".
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