Base | Representation |
---|---|
bin | 111010100010… |
… | …1011010100010 |
3 | 2010202100220202 |
4 | 1311011122202 |
5 | 30324134101 |
6 | 3013505202 |
7 | 521613020 |
oct | 165053242 |
9 | 63670822 |
10 | 30693026 |
11 | 16364141 |
12 | a342202 |
13 | 6488570 |
14 | 410d710 |
15 | 2a6436b |
hex | 1d456a2 |
30693026 has 16 divisors (see below), whose sum is σ = 56664384. Its totient is φ = 12142224.
The previous prime is 30693023. The next prime is 30693059. The reversal of 30693026 is 62039603.
It is a self number, because there is not a number n which added to its sum of digits gives 30693026.
It is not an unprimeable number, because it can be changed into a prime (30693023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84140 + ... + 84503.
It is an arithmetic number, because the mean of its divisors is an integer number (3541524).
Almost surely, 230693026 is an apocalyptic number.
30693026 is a deficient number, since it is larger than the sum of its proper divisors (25971358).
30693026 is a wasteful number, since it uses less digits than its factorization.
30693026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168665.
The product of its (nonzero) digits is 5832, while the sum is 29.
The square root of 30693026 is about 5540.1286988661. The cubic root of 30693026 is about 313.0977180969.
The spelling of 30693026 in words is "thirty million, six hundred ninety-three thousand, twenty-six".
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