Base | Representation |
---|---|
bin | 111010011001… |
… | …1000111110110 |
3 | 2010121120010210 |
4 | 1310303013312 |
5 | 30314234402 |
6 | 3012130250 |
7 | 521151414 |
oct | 164630766 |
9 | 63546123 |
10 | 30618102 |
11 | 16312919 |
12 | a306986 |
13 | 6460428 |
14 | 40d02b4 |
15 | 2a4c06c |
hex | 1d331f6 |
30618102 has 16 divisors (see below), whose sum is σ = 61290432. Its totient is φ = 10197000.
The previous prime is 30618073. The next prime is 30618127. The reversal of 30618102 is 20181603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12373 + ... + 14639.
It is an arithmetic number, because the mean of its divisors is an integer number (3830652).
Almost surely, 230618102 is an apocalyptic number.
30618102 is an abundant number, since it is smaller than the sum of its proper divisors (30672330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30618102 is a wasteful number, since it uses less digits than its factorization.
30618102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4523.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 30618102 is about 5533.3626304445. The cubic root of 30618102 is about 312.8427454377.
Adding to 30618102 its reverse (20181603), we get a palindrome (50799705).
The spelling of 30618102 in words is "thirty million, six hundred eighteen thousand, one hundred two".
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