Base | Representation |
---|---|
bin | 111010010000… |
… | …1110110111000 |
3 | 2010110222010121 |
4 | 1310201312320 |
5 | 30310004014 |
6 | 3010423024 |
7 | 520435300 |
oct | 164416670 |
9 | 63428117 |
10 | 30547384 |
11 | 1627477a |
12 | a291a74 |
13 | 643719a |
14 | 40b2600 |
15 | 2a36124 |
hex | 1d21db8 |
30547384 has 48 divisors (see below), whose sum is σ = 67203000. Its totient is φ = 12979008.
The previous prime is 30547367. The next prime is 30547399. The reversal of 30547384 is 48374503.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58147 + ... + 58669.
Almost surely, 230547384 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30547384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33601500).
30547384 is an abundant number, since it is smaller than the sum of its proper divisors (36655616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30547384 is a wasteful number, since it uses less digits than its factorization.
30547384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692 (or 681 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 34.
The square root of 30547384 is about 5526.9687894903. The cubic root of 30547384 is about 312.6017042830.
The spelling of 30547384 in words is "thirty million, five hundred forty-seven thousand, three hundred eighty-four".
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