Base | Representation |
---|---|
bin | 111010100100… |
… | …1111010000010 |
3 | 2010210022011020 |
4 | 1311021322002 |
5 | 30330231201 |
6 | 3014130310 |
7 | 522020454 |
oct | 165117202 |
9 | 63708136 |
10 | 30711426 |
11 | 16376a49 |
12 | a350996 |
13 | 6493a55 |
14 | 41162d4 |
15 | 2a69a36 |
hex | 1d49e82 |
30711426 has 16 divisors (see below), whose sum is σ = 62430528. Its totient is φ = 10069200.
The previous prime is 30711413. The next prime is 30711431. The reversal of 30711426 is 62411703.
It is a junction number, because it is equal to n+sod(n) for n = 30711396 and 30711405.
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, 41590 + ... + 42321.
It is an arithmetic number, because the mean of its divisors is an integer number (3901908).
Almost surely, 230711426 is an apocalyptic number.
30711426 is an abundant number, since it is smaller than the sum of its proper divisors (31719102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30711426 is a wasteful number, since it uses less digits than its factorization.
30711426 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83977.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 30711426 is about 5541.7890613050. The cubic root of 30711426 is about 313.1602713643.
The spelling of 30711426 in words is "thirty million, seven hundred eleven thousand, four hundred twenty-six".
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