Base | Representation |
---|---|
bin | 111001011010… |
… | …0101111001001 |
3 | 2002122021000120 |
4 | 1302310233021 |
5 | 30201203200 |
6 | 2553053453 |
7 | 513564225 |
oct | 162645711 |
9 | 62567016 |
10 | 30100425 |
11 | 15a99993 |
12 | a0b7289 |
13 | 630b904 |
14 | 3dd7785 |
15 | 29989a0 |
hex | 1cb4bc9 |
30100425 has 24 divisors (see below), whose sum is σ = 51115776. Its totient is φ = 15618240.
The previous prime is 30100417. The next prime is 30100453. The reversal of 30100425 is 52400103.
It is not a de Polignac number, because 30100425 - 23 = 30100417 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649 + ... + 8198.
It is an arithmetic number, because the mean of its divisors is an integer number (2129824).
Almost surely, 230100425 is an apocalyptic number.
It is an amenable number.
30100425 is a deficient number, since it is larger than the sum of its proper divisors (21015351).
30100425 is a wasteful number, since it uses less digits than its factorization.
30100425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10897 (or 10892 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 30100425 is about 5486.3854221154. The cubic root of 30100425 is about 311.0695797972.
Adding to 30100425 its reverse (52400103), we get a palindrome (82500528).
The spelling of 30100425 in words is "thirty million, one hundred thousand, four hundred twenty-five".
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