Base | Representation |
---|---|
bin | 111010011000… |
… | …1101111000110 |
3 | 2010121021100102 |
4 | 1310301233012 |
5 | 30314044142 |
6 | 3012044102 |
7 | 521126021 |
oct | 164615706 |
9 | 63537312 |
10 | 30612422 |
11 | 16309625 |
12 | a303632 |
13 | 645a979 |
14 | 40cc1b8 |
15 | 2a4a532 |
hex | 1d31bc6 |
30612422 has 4 divisors (see below), whose sum is σ = 45918636. Its totient is φ = 15306210.
The previous prime is 30612419. The next prime is 30612433. The reversal of 30612422 is 22421603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22421603 = 863 ⋅25981.
It is a junction number, because it is equal to n+sod(n) for n = 30612394 and 30612403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7653104 + ... + 7653107.
It is an arithmetic number, because the mean of its divisors is an integer number (11479659).
Almost surely, 230612422 is an apocalyptic number.
30612422 is a deficient number, since it is larger than the sum of its proper divisors (15306214).
30612422 is a wasteful number, since it uses less digits than its factorization.
30612422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15306213.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 30612422 is about 5532.8493563443. The cubic root of 30612422 is about 312.8233989665.
The spelling of 30612422 in words is "thirty million, six hundred twelve thousand, four hundred twenty-two".
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