Base | Representation |
---|---|
bin | 111010001000… |
… | …0001000110111 |
3 | 2010100021120120 |
4 | 1310100020313 |
5 | 30300143212 |
6 | 3005103023 |
7 | 520013556 |
oct | 164201067 |
9 | 63307516 |
10 | 30474807 |
11 | 162251a0 |
12 | a257a73 |
13 | 641013c |
14 | 4093d9d |
15 | 2a1e88c |
hex | 1d10237 |
30474807 has 16 divisors (see below), whose sum is σ = 45056640. Its totient is φ = 18165600.
The previous prime is 30474751. The next prime is 30474809. The reversal of 30474807 is 70847403.
It is a happy number.
It is not a de Polignac number, because 30474807 - 28 = 30474551 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30474809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5557 + ... + 9582.
It is an arithmetic number, because the mean of its divisors is an integer number (2816040).
Almost surely, 230474807 is an apocalyptic number.
30474807 is a deficient number, since it is larger than the sum of its proper divisors (14581833).
30474807 is a wasteful number, since it uses less digits than its factorization.
30474807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15214.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 30474807 is about 5520.3991703499. The cubic root of 30474807 is about 312.3539396364.
The spelling of 30474807 in words is "thirty million, four hundred seventy-four thousand, eight hundred seven".
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