Base | Representation |
---|---|
bin | 111010110001… |
… | …1000101101110 |
3 | 2010222112122112 |
4 | 1311203011232 |
5 | 30342031244 |
6 | 3020244022 |
7 | 522630260 |
oct | 165430556 |
9 | 63875575 |
10 | 30814574 |
11 | 1643749a |
12 | a3a0612 |
13 | 64cb99b |
14 | 4141b30 |
15 | 2a8a39e |
hex | 1d6316e |
30814574 has 32 divisors (see below), whose sum is σ = 57252096. Its totient is φ = 12136320.
The previous prime is 30814529. The next prime is 30814607. The reversal of 30814574 is 47541803.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30814574.
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, 8729 + ... + 11739.
It is an arithmetic number, because the mean of its divisors is an integer number (1789128).
Almost surely, 230814574 is an apocalyptic number.
30814574 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30814574 is a deficient number, since it is larger than the sum of its proper divisors (26437522).
30814574 is a wasteful number, since it uses less digits than its factorization.
30814574 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3080.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 30814574 is about 5551.0876411745. The cubic root of 30814574 is about 313.5104750071.
The spelling of 30814574 in words is "thirty million, eight hundred fourteen thousand, five hundred seventy-four".
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