Base | Representation |
---|---|
bin | 111010001101… |
… | …1010001011110 |
3 | 2010102121010201 |
4 | 1310123101132 |
5 | 30303123124 |
6 | 3010054114 |
7 | 520263541 |
oct | 164332136 |
9 | 63377121 |
10 | 30520414 |
11 | 16256491 |
12 | a27a33a |
13 | 6427b22 |
14 | 40a6858 |
15 | 2a2d144 |
hex | 1d1b45e |
30520414 has 16 divisors (see below), whose sum is σ = 46537200. Its totient is φ = 15009984.
The previous prime is 30520393. The next prime is 30520429. The reversal of 30520414 is 41402503.
It is a junction number, because it is equal to n+sod(n) for n = 30520391 and 30520400.
It is a congruent number.
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, 48997 + ... + 49615.
It is an arithmetic number, because the mean of its divisors is an integer number (2908575).
Almost surely, 230520414 is an apocalyptic number.
30520414 is a deficient number, since it is larger than the sum of its proper divisors (16016786).
30520414 is a wasteful number, since it uses less digits than its factorization.
30520414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 987.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 30520414 is about 5524.5283961620. The cubic root of 30520414 is about 312.5096794868.
Adding to 30520414 its reverse (41402503), we get a palindrome (71922917).
The spelling of 30520414 in words is "thirty million, five hundred twenty thousand, four hundred fourteen".
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