Base | Representation |
---|---|
bin | 1110111100101… |
… | …00111000110110 |
3 | 22201221111021112 |
4 | 13132110320312 |
5 | 224044443030 |
6 | 20235315022 |
7 | 3051541436 |
oct | 736247066 |
9 | 281844245 |
10 | 125390390 |
11 | 64863724 |
12 | 35baba72 |
13 | 1cc935c8 |
14 | 129202c6 |
15 | b01ca95 |
hex | 7794e36 |
125390390 has 8 divisors (see below), whose sum is σ = 225702720. Its totient is φ = 50156152.
The previous prime is 125390357. The next prime is 125390393. The reversal of 125390390 is 93093521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125390393) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6269510 + ... + 6269529.
It is an arithmetic number, because the mean of its divisors is an integer number (28212840).
Almost surely, 2125390390 is an apocalyptic number.
125390390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125390390 is a deficient number, since it is larger than the sum of its proper divisors (100312330).
125390390 is a wasteful number, since it uses less digits than its factorization.
125390390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12539046.
The product of its (nonzero) digits is 7290, while the sum is 32.
The square root of 125390390 is about 11197.7850488389. The cubic root of 125390390 is about 500.5199790561.
The spelling of 125390390 in words is "one hundred twenty-five million, three hundred ninety thousand, three hundred ninety".
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