Base | Representation |
---|---|
bin | 111010000100… |
… | …0010010000010 |
3 | 2010021122102200 |
4 | 1310020102002 |
5 | 30243131001 |
6 | 3004254030 |
7 | 516521004 |
oct | 164102202 |
9 | 63248380 |
10 | 30442626 |
11 | 16202aa5 |
12 | a241316 |
13 | 63cb5b6 |
14 | 4086374 |
15 | 2a15086 |
hex | 1d08482 |
30442626 has 12 divisors (see below), whose sum is σ = 65959062. Its totient is φ = 10147536.
The previous prime is 30442619. The next prime is 30442627. The reversal of 30442626 is 62624403.
30442626 is a `hidden beast` number, since 30 + 4 + 4 + 2 + 626 = 666.
It can be written as a sum of positive squares in only one way, i.e., 28037025 + 2405601 = 5295^2 + 1551^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30442626.
It is not an unprimeable number, because it can be changed into a prime (30442627) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 845611 + ... + 845646.
Almost surely, 230442626 is an apocalyptic number.
30442626 is an abundant number, since it is smaller than the sum of its proper divisors (35516436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30442626 is a wasteful number, since it uses less digits than its factorization.
30442626 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1691265 (or 1691262 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 30442626 is about 5517.4836655852. The cubic root of 30442626 is about 312.2439536795.
The spelling of 30442626 in words is "thirty million, four hundred forty-two thousand, six hundred twenty-six".
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