Base | Representation |
---|---|
bin | 111010001110… |
… | …1110110010101 |
3 | 2010110010121111 |
4 | 1310131312111 |
5 | 30303442330 |
6 | 3010215021 |
7 | 520336363 |
oct | 164356625 |
9 | 63403544 |
10 | 30530965 |
11 | 16263403 |
12 | a284471 |
13 | 642c87a |
14 | 40aa633 |
15 | 2a3132a |
hex | 1d1dd95 |
30530965 has 8 divisors (see below), whose sum is σ = 37416960. Its totient is φ = 23904912.
The previous prime is 30530921. The next prime is 30530971. The reversal of 30530965 is 56903503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30530965 - 211 = 30528917 is a prime.
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, 64725 + ... + 65194.
It is an arithmetic number, because the mean of its divisors is an integer number (4677120).
Almost surely, 230530965 is an apocalyptic number.
It is an amenable number.
30530965 is a deficient number, since it is larger than the sum of its proper divisors (6885995).
30530965 is a wasteful number, since it uses less digits than its factorization.
30530965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129971.
The product of its (nonzero) digits is 12150, while the sum is 31.
The square root of 30530965 is about 5525.4832367857. The cubic root of 30530965 is about 312.5456871869.
The spelling of 30530965 in words is "thirty million, five hundred thirty thousand, nine hundred sixty-five".
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