Base | Representation |
---|---|
bin | 111001010011… |
… | …1110011100100 |
3 | 2002112120100220 |
4 | 1302213303210 |
5 | 30143004320 |
6 | 2552004340 |
7 | 513253632 |
oct | 162476344 |
9 | 62476326 |
10 | 30047460 |
11 | 15a63113 |
12 | a0906b0 |
13 | 62c0781 |
14 | 3dc2352 |
15 | 2987e40 |
hex | 1ca7ce4 |
30047460 has 24 divisors (see below), whose sum is σ = 84133056. Its totient is φ = 8012640.
The previous prime is 30047389. The next prime is 30047471. The reversal of 30047460 is 6474003.
It is a self number, because there is not a number n which added to its sum of digits gives 30047460.
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, 250336 + ... + 250455.
It is an arithmetic number, because the mean of its divisors is an integer number (3505544).
Almost surely, 230047460 is an apocalyptic number.
30047460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30047460 is an abundant number, since it is smaller than the sum of its proper divisors (54085596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30047460 is a wasteful number, since it uses less digits than its factorization.
30047460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500803 (or 500801 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 30047460 is about 5481.5563483376. The cubic root of 30047460 is about 310.8870189927.
The spelling of 30047460 in words is "thirty million, forty-seven thousand, four hundred sixty".
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