Base | Representation |
---|---|
bin | 111001111000… |
… | …0101011001101 |
3 | 2010002201210110 |
4 | 1303300223031 |
5 | 30232032213 |
6 | 3002230233 |
7 | 515636052 |
oct | 163605315 |
9 | 63081713 |
10 | 30345933 |
11 | 16147392 |
12 | a1b5379 |
13 | 6396597 |
14 | 405d029 |
15 | 29e65c3 |
hex | 1cf0acd |
30345933 has 8 divisors (see below), whose sum is σ = 40515808. Its totient is φ = 20203344.
The previous prime is 30345929. The next prime is 30345937. The reversal of 30345933 is 33954303.
It is an interprime number because it is at equal distance from previous prime (30345929) and next prime (30345937).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30345933 - 22 = 30345929 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30345933.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30345937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066 + ... + 8787.
It is an arithmetic number, because the mean of its divisors is an integer number (5064476).
Almost surely, 230345933 is an apocalyptic number.
It is an amenable number.
30345933 is a deficient number, since it is larger than the sum of its proper divisors (10169875).
30345933 is a wasteful number, since it uses less digits than its factorization.
30345933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13643.
The product of its (nonzero) digits is 14580, while the sum is 30.
The square root of 30345933 is about 5508.7142783049. The cubic root of 30345933 is about 311.9130161034.
The spelling of 30345933 in words is "thirty million, three hundred forty-five thousand, nine hundred thirty-three".
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