Base | Representation |
---|---|
bin | 110011000000… |
… | …001010100100 |
3 | 221011021012221 |
4 | 303000022210 |
5 | 11410320040 |
6 | 1154322124 |
7 | 221433436 |
oct | 63001244 |
9 | 27137187 |
10 | 13370020 |
11 | 7602104 |
12 | 4589344 |
13 | 2a01771 |
14 | 1ac0656 |
15 | 129174a |
hex | cc02a4 |
13370020 has 24 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 5314656.
The previous prime is 13370003. The next prime is 13370029. The reversal of 13370020 is 2007331.
It is a junction number, because it is equal to n+sod(n) for n = 13369976 and 13370003.
It is not an unprimeable number, because it can be changed into a prime (13370029) 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, 1339 + ... + 5341.
It is an arithmetic number, because the mean of its divisors is an integer number (1177176).
Almost surely, 213370020 is an apocalyptic number.
13370020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13370020 is an abundant number, since it is smaller than the sum of its proper divisors (14882204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13370020 is a wasteful number, since it uses less digits than its factorization.
13370020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4179 (or 4177 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 16.
The square root of 13370020 is about 3656.5037946104. The cubic root of 13370020 is about 237.3435053994.
Adding to 13370020 its reverse (2007331), we get a palindrome (15377351).
The spelling of 13370020 in words is "thirteen million, three hundred seventy thousand, twenty".
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