Base | Representation |
---|---|
bin | 110001101000… |
… | …110111010010 |
3 | 220111002201000 |
4 | 301220313102 |
5 | 11312344214 |
6 | 1142522430 |
7 | 215414061 |
oct | 61506722 |
9 | 26432630 |
10 | 13012434 |
11 | 7388486 |
12 | 4436416 |
13 | 2907a86 |
14 | 1a2a1d8 |
15 | 1220809 |
hex | c68dd2 |
13012434 has 32 divisors (see below), whose sum is σ = 30176640. Its totient is φ = 4148496.
The previous prime is 13012427. The next prime is 13012471. The reversal of 13012434 is 43421031.
13012434 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3997 + ... + 6480.
It is an arithmetic number, because the mean of its divisors is an integer number (943020).
Almost surely, 213012434 is an apocalyptic number.
13012434 is an abundant number, since it is smaller than the sum of its proper divisors (17164206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13012434 is a wasteful number, since it uses less digits than its factorization.
13012434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10511 (or 10505 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 13012434 is about 3607.2751489178. The cubic root of 13012434 is about 235.2084102574.
Adding to 13012434 its reverse (43421031), we get a palindrome (56433465).
The spelling of 13012434 in words is "thirteen million, twelve thousand, four hundred thirty-four".
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