Base | Representation |
---|---|
bin | 100110011011… |
… | …0010100000010 |
3 | 1101220111022022 |
4 | 1030312110002 |
5 | 20124123120 |
6 | 1555441442 |
7 | 333142655 |
oct | 114662402 |
9 | 41814268 |
10 | 20145410 |
11 | 1040a5aa |
12 | 68b6282 |
13 | 423467c |
14 | 296589c |
15 | 1b7e025 |
hex | 1336502 |
20145410 has 16 divisors (see below), whose sum is σ = 36401400. Its totient is φ = 8027136.
The previous prime is 20145407. The next prime is 20145421. The reversal of 20145410 is 1454102.
It can be written as a sum of positive squares in 4 ways, for example, as 11282881 + 8862529 = 3359^2 + 2977^2 .
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, 1055 + ... + 6434.
Almost surely, 220145410 is an apocalyptic number.
20145410 is a deficient number, since it is larger than the sum of its proper divisors (16255990).
20145410 is a wasteful number, since it uses less digits than its factorization.
20145410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7765.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 20145410 is about 4488.3638444315. The cubic root of 20145410 is about 272.0980129043.
Adding to 20145410 its reverse (1454102), we get a palindrome (21599512).
The spelling of 20145410 in words is "twenty million, one hundred forty-five thousand, four hundred ten".
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