Base | Representation |
---|---|
bin | 111001010011… |
… | …1101100011100 |
3 | 2002112112202000 |
4 | 1302213230130 |
5 | 30143001004 |
6 | 2552002300 |
7 | 513252411 |
oct | 162475434 |
9 | 62475660 |
10 | 30047004 |
11 | 15a62839 |
12 | a090390 |
13 | 62c04c0 |
14 | 3dc2108 |
15 | 2987c39 |
hex | 1ca7b1c |
30047004 has 48 divisors (see below), whose sum is σ = 83895840. Its totient is φ = 9244800.
The previous prime is 30046979. The next prime is 30047027. The reversal of 30047004 is 40074003.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9297 + ... + 12104.
It is an arithmetic number, because the mean of its divisors is an integer number (1747830).
Almost surely, 230047004 is an apocalyptic number.
It is an amenable number.
30047004 is an abundant number, since it is smaller than the sum of its proper divisors (53848836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30047004 is a wasteful number, since it uses less digits than its factorization.
30047004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21427 (or 21419 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 30047004 is about 5481.5147541533. The cubic root of 30047004 is about 310.8854463118.
The spelling of 30047004 in words is "thirty million, forty-seven thousand, four".
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