Base | Representation |
---|---|
bin | 111001100111… |
… | …1101110011001 |
3 | 2002211212122210 |
4 | 1303033232121 |
5 | 30213222334 |
6 | 2555305333 |
7 | 514534425 |
oct | 163175631 |
9 | 62755583 |
10 | 30210969 |
11 | 16064a48 |
12 | a14b249 |
13 | 634a019 |
14 | 4025b85 |
15 | 29bb5e9 |
hex | 1ccfb99 |
30210969 has 8 divisors (see below), whose sum is σ = 42401440. Its totient is φ = 19080576.
The previous prime is 30210959. The next prime is 30210979. The reversal of 30210969 is 96901203.
It is an interprime number because it is at equal distance from previous prime (30210959) and next prime (30210979).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30210969 - 27 = 30210841 is a prime.
It is a super-2 number, since 2×302109692 = 1825405295837922, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30210959) 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, 264952 + ... + 265065.
It is an arithmetic number, because the mean of its divisors is an integer number (5300180).
Almost surely, 230210969 is an apocalyptic number.
It is an amenable number.
30210969 is a deficient number, since it is larger than the sum of its proper divisors (12190471).
30210969 is a wasteful number, since it uses less digits than its factorization.
30210969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530039.
The product of its (nonzero) digits is 2916, while the sum is 30.
The square root of 30210969 is about 5496.4505819665. The cubic root of 30210969 is about 311.4499162428.
The spelling of 30210969 in words is "thirty million, two hundred ten thousand, nine hundred sixty-nine".
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