Base | Representation |
---|---|
bin | 111010100011… |
… | …0001010011010 |
3 | 2010202112010020 |
4 | 1311012022122 |
5 | 30324233330 |
6 | 3013531310 |
7 | 521624655 |
oct | 165061232 |
9 | 63675106 |
10 | 30696090 |
11 | 16366477 |
12 | a343b36 |
13 | 6489a89 |
14 | 411089c |
15 | 2a65210 |
hex | 1d4629a |
30696090 has 16 divisors (see below), whose sum is σ = 73670688. Its totient is φ = 8185616.
The previous prime is 30696079. The next prime is 30696131. The reversal of 30696090 is 9069603.
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, 511572 + ... + 511631.
It is an arithmetic number, because the mean of its divisors is an integer number (4604418).
Almost surely, 230696090 is an apocalyptic number.
30696090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30696090 is an abundant number, since it is smaller than the sum of its proper divisors (42974598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30696090 is a wasteful number, since it uses less digits than its factorization.
30696090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1023213.
The product of its (nonzero) digits is 8748, while the sum is 33.
The square root of 30696090 is about 5540.4052198373. The cubic root of 30696090 is about 313.1081363104.
The spelling of 30696090 in words is "thirty million, six hundred ninety-six thousand, ninety".
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