Base | Representation |
---|---|
bin | 1100010010011… |
… | …00000100011001 |
3 | 21011221121020102 |
4 | 12021030010121 |
5 | 202341301100 |
6 | 14121105145 |
7 | 2361045350 |
oct | 611140431 |
9 | 234847212 |
10 | 103072025 |
11 | 531aa5a1 |
12 | 2a6281b5 |
13 | 1847ab84 |
14 | d990997 |
15 | 90aecd5 |
hex | 624c119 |
103072025 has 24 divisors (see below), whose sum is σ = 146448960. Its totient is φ = 70493760.
The previous prime is 103072019. The next prime is 103072027. The reversal of 103072025 is 520270301.
It is not a de Polignac number, because 103072025 - 26 = 103071961 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103071988 and 103072006.
It is not an unprimeable number, because it can be changed into a prime (103072027) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128927 + ... + 129723.
It is an arithmetic number, because the mean of its divisors is an integer number (6102040).
Almost surely, 2103072025 is an apocalyptic number.
It is an amenable number.
103072025 is a deficient number, since it is larger than the sum of its proper divisors (43376935).
103072025 is an equidigital number, since it uses as much as digits as its factorization.
103072025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1553 (or 1548 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 103072025 is about 10152.4393620450. The cubic root of 103072025 is about 468.8640516552.
The spelling of 103072025 in words is "one hundred three million, seventy-two thousand, twenty-five".
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