Base | Representation |
---|---|
bin | 111001110111… |
… | …1101100100101 |
3 | 2010002112022000 |
4 | 1303233230211 |
5 | 30231420200 |
6 | 3002155513 |
7 | 515621265 |
oct | 163575445 |
9 | 63075260 |
10 | 30341925 |
11 | 16144379 |
12 | a1b2b99 |
13 | 6394803 |
14 | 405b7a5 |
15 | 29e5300 |
hex | 1cefb25 |
30341925 has 48 divisors (see below), whose sum is σ = 56544000. Its totient is φ = 15949440.
The previous prime is 30341911. The next prime is 30341929. The reversal of 30341925 is 52914303.
It is not a de Polignac number, because 30341925 - 212 = 30337829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30341929) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53041 + ... + 53609.
It is an arithmetic number, because the mean of its divisors is an integer number (1178000).
Almost surely, 230341925 is an apocalyptic number.
It is an amenable number.
30341925 is a deficient number, since it is larger than the sum of its proper divisors (26202075).
30341925 is a wasteful number, since it uses less digits than its factorization.
30341925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 667 (or 656 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 30341925 is about 5508.3504790454. The cubic root of 30341925 is about 311.8992833196.
The spelling of 30341925 in words is "thirty million, three hundred forty-one thousand, nine hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •