Base | Representation |
---|---|
bin | 1110111111101… |
… | …10000101001101 |
3 | 22202200201101002 |
4 | 13133312011031 |
5 | 224200212433 |
6 | 20252030045 |
7 | 3055120205 |
oct | 737660515 |
9 | 282621332 |
10 | 125788493 |
11 | 65005836 |
12 | 36162325 |
13 | 200a287c |
14 | 129c5405 |
15 | b09a9e8 |
hex | 77f614d |
125788493 has 8 divisors (see below), whose sum is σ = 135988320. Its totient is φ = 115946640.
The previous prime is 125788489. The next prime is 125788501. The reversal of 125788493 is 394887521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 125788493 - 22 = 125788489 is a prime.
It is a super-2 number, since 2×1257884932 = 31645489942422098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125788433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88763 + ... + 90168.
It is an arithmetic number, because the mean of its divisors is an integer number (16998540).
Almost surely, 2125788493 is an apocalyptic number.
It is an amenable number.
125788493 is a deficient number, since it is larger than the sum of its proper divisors (10199827).
125788493 is a wasteful number, since it uses less digits than its factorization.
125788493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178987.
The product of its digits is 483840, while the sum is 47.
The square root of 125788493 is about 11215.5469327180. The cubic root of 125788493 is about 501.0491211500.
The spelling of 125788493 in words is "one hundred twenty-five million, seven hundred eighty-eight thousand, four hundred ninety-three".
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