Base | Representation |
---|---|
bin | 111010101001… |
… | …1111110011100 |
3 | 2010212101201201 |
4 | 1311103332130 |
5 | 30333041133 |
6 | 3015045244 |
7 | 522251632 |
oct | 165237634 |
9 | 63771651 |
10 | 30752668 |
11 | 163a4a31 |
12 | a370824 |
13 | 64a975b |
14 | 4127352 |
15 | 2a76d7d |
hex | 1d53f9c |
30752668 has 12 divisors (see below), whose sum is σ = 53876592. Its totient is φ = 15359360.
The previous prime is 30752663. The next prime is 30752671. The reversal of 30752668 is 86625703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30752663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396 + ... + 7852.
It is an arithmetic number, because the mean of its divisors is an integer number (4489716).
Almost surely, 230752668 is an apocalyptic number.
It is an amenable number.
30752668 is a deficient number, since it is larger than the sum of its proper divisors (23123924).
30752668 is a wasteful number, since it uses less digits than its factorization.
30752668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8492 (or 8490 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 30752668 is about 5545.5088134453. The cubic root of 30752668 is about 313.3003883676.
It can be divided in two parts, 307 and 52668, that added together give a triangular number (52975 = T325).
The spelling of 30752668 in words is "thirty million, seven hundred fifty-two thousand, six hundred sixty-eight".
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