Base | Representation |
---|---|
bin | 100111010010… |
… | …1111100110010 |
3 | 1102202201120000 |
4 | 1032211330302 |
5 | 20233241144 |
6 | 2013330430 |
7 | 340056051 |
oct | 116457462 |
9 | 42681500 |
10 | 20602674 |
11 | 106a2104 |
12 | 6a96a16 |
13 | 4364841 |
14 | 2a44398 |
15 | 1c1e769 |
hex | 13a5f32 |
20602674 has 40 divisors (see below), whose sum is σ = 48887388. Its totient is φ = 6462720.
The previous prime is 20602663. The next prime is 20602679. The reversal of 20602674 is 47620602.
It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 2480625 = 4257^2 + 1575^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20602679) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 987 + ... + 6494.
Almost surely, 220602674 is an apocalyptic number.
20602674 is an abundant number, since it is smaller than the sum of its proper divisors (28284714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20602674 is a wasteful number, since it uses less digits than its factorization.
20602674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7512 (or 7503 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 20602674 is about 4539.0168539013. The cubic root of 20602674 is about 274.1413393372.
The spelling of 20602674 in words is "twenty million, six hundred two thousand, six hundred seventy-four".
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