Base | Representation |
---|---|
bin | 111010100010… |
… | …1010110100001 |
3 | 2010202100120020 |
4 | 1311011112201 |
5 | 30324132034 |
6 | 3013504053 |
7 | 521612202 |
oct | 165052641 |
9 | 63670506 |
10 | 30692769 |
11 | 16363a28 |
12 | a342029 |
13 | 6488403 |
14 | 410d5a9 |
15 | 2a64249 |
hex | 1d455a1 |
30692769 has 8 divisors (see below), whose sum is σ = 43331040. Its totient is φ = 19258176.
The previous prime is 30692747. The next prime is 30692773. The reversal of 30692769 is 96729603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30692769 - 28 = 30692513 is a prime.
It is a super-2 number, since 2×306927692 = 1884092137774722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30692769.
It is not an unprimeable number, because it can be changed into a prime (30692719) 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, 300859 + ... + 300960.
It is an arithmetic number, because the mean of its divisors is an integer number (5416380).
Almost surely, 230692769 is an apocalyptic number.
It is an amenable number.
30692769 is a deficient number, since it is larger than the sum of its proper divisors (12638271).
30692769 is a wasteful number, since it uses less digits than its factorization.
30692769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 601839.
The product of its (nonzero) digits is 122472, while the sum is 42.
The square root of 30692769 is about 5540.1055044105. The cubic root of 30692769 is about 313.0968442140.
The spelling of 30692769 in words is "thirty million, six hundred ninety-two thousand, seven hundred sixty-nine".
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