Base | Representation |
---|---|
bin | 111010001110… |
… | …0010111011110 |
3 | 2010102211021122 |
4 | 1310130113132 |
5 | 30303244034 |
6 | 3010130542 |
7 | 520312601 |
oct | 164342736 |
9 | 63384248 |
10 | 30524894 |
11 | 16259894 |
12 | a280a52 |
13 | 6429b8a |
14 | 40a8338 |
15 | 2a2e62e |
hex | 1d1c5de |
30524894 has 16 divisors (see below), whose sum is σ = 50046336. Its totient is φ = 13900800.
The previous prime is 30524867. The next prime is 30524899. The reversal of 30524894 is 49842503.
It is a super-2 number, since 2×305248942 = 1863538307422472, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30524899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13427 + ... + 15534.
It is an arithmetic number, because the mean of its divisors is an integer number (3127896).
Almost surely, 230524894 is an apocalyptic number.
30524894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
30524894 is a deficient number, since it is larger than the sum of its proper divisors (19521442).
30524894 is a wasteful number, since it uses less digits than its factorization.
30524894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29011.
The product of its (nonzero) digits is 34560, while the sum is 35.
The square root of 30524894 is about 5524.9338457578. The cubic root of 30524894 is about 312.5249695248.
The spelling of 30524894 in words is "thirty million, five hundred twenty-four thousand, eight hundred ninety-four".
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