Base | Representation |
---|---|
bin | 111010010111… |
… | …1110011101101 |
3 | 2010120212111221 |
4 | 1310233303231 |
5 | 30313321100 |
6 | 3011543341 |
7 | 521064010 |
oct | 164576355 |
9 | 63525457 |
10 | 30604525 |
11 | 163036a6 |
12 | a2bab51 |
13 | 64571b3 |
14 | 40c9377 |
15 | 2a4801a |
hex | 1d2fced |
30604525 has 24 divisors (see below), whose sum is σ = 43657920. Its totient is φ = 20847360.
The previous prime is 30604517. The next prime is 30604531. The reversal of 30604525 is 52540603.
It is not a de Polignac number, because 30604525 - 23 = 30604517 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 30604525.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30837 + ... + 31813.
It is an arithmetic number, because the mean of its divisors is an integer number (1819080).
Almost surely, 230604525 is an apocalyptic number.
30604525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30604525 is a deficient number, since it is larger than the sum of its proper divisors (13053395).
30604525 is a wasteful number, since it uses less digits than its factorization.
30604525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1173 (or 1168 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 30604525 is about 5532.1356635571. The cubic root of 30604525 is about 312.7964972637.
The spelling of 30604525 in words is "thirty million, six hundred four thousand, five hundred twenty-five".
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