Base | Representation |
---|---|
bin | 111001111101… |
… | …0000110010110 |
3 | 2010011200202010 |
4 | 1303322012112 |
5 | 30234301114 |
6 | 3003125050 |
7 | 516156435 |
oct | 163720626 |
9 | 63150663 |
10 | 30384534 |
11 | 16173394 |
12 | a213786 |
13 | 63ab01b |
14 | 406d11c |
15 | 2a02c59 |
hex | 1cfa196 |
30384534 has 32 divisors (see below), whose sum is σ = 64368000. Its totient is φ = 9535104.
The previous prime is 30384503. The next prime is 30384577. The reversal of 30384534 is 43548303.
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, 19662 + ... + 21150.
It is an arithmetic number, because the mean of its divisors is an integer number (2011500).
Almost surely, 230384534 is an apocalyptic number.
30384534 is an abundant number, since it is smaller than the sum of its proper divisors (33983466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30384534 is a wasteful number, since it uses less digits than its factorization.
30384534 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1692.
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 30384534 is about 5512.2167954463. The cubic root of 30384534 is about 312.0452145189.
It can be divided in two parts, 30384 and 534, that multiplied together give a triangular number (16225056 = T5696).
The spelling of 30384534 in words is "thirty million, three hundred eighty-four thousand, five hundred thirty-four".
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