Base | Representation |
---|---|
bin | 1110111100101… |
… | …00111000010101 |
3 | 22201221111020022 |
4 | 13132110320111 |
5 | 224044442412 |
6 | 20235314525 |
7 | 3051541361 |
oct | 736247025 |
9 | 281844208 |
10 | 125390357 |
11 | 648636a4 |
12 | 35baba45 |
13 | 1cc935a1 |
14 | 129202a1 |
15 | b01ca72 |
hex | 7794e15 |
125390357 has 2 divisors, whose sum is σ = 125390358. Its totient is φ = 125390356.
The previous prime is 125390333. The next prime is 125390393. The reversal of 125390357 is 753093521.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 64144081 + 61246276 = 8009^2 + 7826^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125390357 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (125590357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62695178 + 62695179.
It is an arithmetic number, because the mean of its divisors is an integer number (62695179).
Almost surely, 2125390357 is an apocalyptic number.
It is an amenable number.
125390357 is a deficient number, since it is larger than the sum of its proper divisors (1).
125390357 is an equidigital number, since it uses as much as digits as its factorization.
125390357 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28350, while the sum is 35.
The square root of 125390357 is about 11197.7835753331. The cubic root of 125390357 is about 500.5199351475.
The spelling of 125390357 in words is "one hundred twenty-five million, three hundred ninety thousand, three hundred fifty-seven".
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