Base | Representation |
---|---|
bin | 111001101101… |
… | …0101110001010 |
3 | 2002221011102222 |
4 | 1303122232022 |
5 | 30221143020 |
6 | 3000254042 |
7 | 515112641 |
oct | 163325612 |
9 | 62834388 |
10 | 30256010 |
11 | 16095874 |
12 | a171322 |
13 | 6364685 |
14 | 4038358 |
15 | 29c9b25 |
hex | 1cdab8a |
30256010 has 16 divisors (see below), whose sum is σ = 55933416. Its totient is φ = 11775168.
The previous prime is 30256003. The next prime is 30256027. The reversal of 30256010 is 1065203.
It can be written as a sum of positive squares in 4 ways, for example, as 30063289 + 192721 = 5483^2 + 439^2 .
It is a super-2 number, since 2×302560102 = 1830852282240200, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30256010.
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, 40517 + ... + 41256.
Almost surely, 230256010 is an apocalyptic number.
30256010 is a deficient number, since it is larger than the sum of its proper divisors (25677406).
30256010 is a wasteful number, since it uses less digits than its factorization.
30256010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81817.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 30256010 is about 5500.5463365015. The cubic root of 30256010 is about 311.6046177804.
The spelling of 30256010 in words is "thirty million, two hundred fifty-six thousand, ten".
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