Base | Representation |
---|---|
bin | 1110111001111… |
… | …10111110011101 |
3 | 22201021121120022 |
4 | 13130332332131 |
5 | 224002212433 |
6 | 20224001525 |
7 | 3045544466 |
oct | 734767635 |
9 | 281247508 |
10 | 125038493 |
11 | 646432a8 |
12 | 35a602a5 |
13 | 1cb9c398 |
14 | 1286bd6d |
15 | ae9d698 |
hex | 773ef9d |
125038493 has 2 divisors, whose sum is σ = 125038494. Its totient is φ = 125038492.
The previous prime is 125038477. The next prime is 125038499. The reversal of 125038493 is 394830521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 125037124 + 1369 = 11182^2 + 37^2 .
It is an emirp because it is prime and its reverse (394830521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 125038493 - 24 = 125038477 is a prime.
It is a super-2 number, since 2×1250384932 = 31269249463422098, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (125038499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62519246 + 62519247.
It is an arithmetic number, because the mean of its divisors is an integer number (62519247).
Almost surely, 2125038493 is an apocalyptic number.
It is an amenable number.
125038493 is a deficient number, since it is larger than the sum of its proper divisors (1).
125038493 is an equidigital number, since it uses as much as digits as its factorization.
125038493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 125038493 is about 11182.0612142842. The cubic root of 125038493 is about 500.0513187326.
The spelling of 125038493 in words is "one hundred twenty-five million, thirty-eight thousand, four hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •