Base | Representation |
---|---|
bin | 111001111001… |
… | …1001000111001 |
3 | 2010010020122020 |
4 | 1303303020321 |
5 | 30232343100 |
6 | 3002345053 |
7 | 516010350 |
oct | 163631071 |
9 | 63106566 |
10 | 30356025 |
11 | 16153a27 |
12 | a1bb189 |
13 | 639b05b |
14 | 4062997 |
15 | 29e95a0 |
hex | 1cf3239 |
30356025 has 48 divisors (see below), whose sum is σ = 58281984. Its totient is φ = 13654080.
The previous prime is 30356017. The next prime is 30356047. The reversal of 30356025 is 52065303.
It is not a de Polignac number, because 30356025 - 23 = 30356017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30355986 and 30356004.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34744 + ... + 35606.
It is an arithmetic number, because the mean of its divisors is an integer number (1214208).
Almost surely, 230356025 is an apocalyptic number.
30356025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30356025 is a deficient number, since it is larger than the sum of its proper divisors (27925959).
30356025 is a wasteful number, since it uses less digits than its factorization.
30356025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950 (or 945 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 24.
The square root of 30356025 is about 5509.6302053768. The cubic root of 30356025 is about 311.9475894048.
The spelling of 30356025 in words is "thirty million, three hundred fifty-six thousand, twenty-five".
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