Base | Representation |
---|---|
bin | 111010011011… |
… | …0100100110101 |
3 | 2010122021112121 |
4 | 1310312210311 |
5 | 30320212440 |
6 | 3012315541 |
7 | 521240560 |
oct | 164664465 |
9 | 63567477 |
10 | 30632245 |
11 | 16322506 |
12 | a312bb1 |
13 | 64669b7 |
14 | 40d54d7 |
15 | 2a5134a |
hex | 1d36935 |
30632245 has 16 divisors (see below), whose sum is σ = 42261120. Its totient is φ = 20879424.
The previous prime is 30632233. The next prime is 30632293. The reversal of 30632245 is 54223603.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30632245 - 27 = 30632117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 8584.
It is an arithmetic number, because the mean of its divisors is an integer number (2641320).
Almost surely, 230632245 is an apocalyptic number.
30632245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30632245 is a deficient number, since it is larger than the sum of its proper divisors (11628875).
30632245 is a wasteful number, since it uses less digits than its factorization.
30632245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5244.
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 30632245 is about 5534.6404580605. The cubic root of 30632245 is about 312.8909070761.
Adding to 30632245 its reverse (54223603), we get a palindrome (84855848).
The spelling of 30632245 in words is "thirty million, six hundred thirty-two thousand, two hundred forty-five".
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