Base | Representation |
---|---|
bin | 111010000101… |
… | …1110011000010 |
3 | 2010022101012000 |
4 | 1310023303002 |
5 | 30244111101 |
6 | 3004444430 |
7 | 516610665 |
oct | 164136302 |
9 | 63271160 |
10 | 30457026 |
11 | 162128a6 |
12 | a249716 |
13 | 6405012 |
14 | 408b6dc |
15 | 2a19486 |
hex | 1d0bcc2 |
30457026 has 32 divisors (see below), whose sum is σ = 67955520. Its totient is φ = 10111392.
The previous prime is 30457001. The next prime is 30457027. The reversal of 30457026 is 62075403.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30457027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14286 + ... + 16278.
It is an arithmetic number, because the mean of its divisors is an integer number (2123610).
Almost surely, 230457026 is an apocalyptic number.
30457026 is an abundant number, since it is smaller than the sum of its proper divisors (37498494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30457026 is a wasteful number, since it uses less digits than its factorization.
30457026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2287 (or 2281 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 30457026 is about 5518.7884539997. The cubic root of 30457026 is about 312.2931785632.
The spelling of 30457026 in words is "thirty million, four hundred fifty-seven thousand, twenty-six".
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