Base | Representation |
---|---|
bin | 11101000000011… |
… | …000001101101010 |
3 | 1020220200210110000 |
4 | 131000120031222 |
5 | 1444034412232 |
6 | 120142203430 |
7 | 15026233653 |
oct | 3500301552 |
9 | 1226623400 |
10 | 486638442 |
11 | 22a770734 |
12 | 116b83576 |
13 | 79a87454 |
14 | 488b852a |
15 | 2cac927c |
hex | 1d01836a |
486638442 has 20 divisors (see below), whose sum is σ = 1090430946. Its totient is φ = 162212760.
The previous prime is 486638417. The next prime is 486638459. The reversal of 486638442 is 244836684.
486638442 is a `hidden beast` number, since 4 + 8 + 6 + 638 + 4 + 4 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 360278361 + 126360081 = 18981^2 + 11241^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1501809 + ... + 1502132.
Almost surely, 2486638442 is an apocalyptic number.
486638442 is an abundant number, since it is smaller than the sum of its proper divisors (603792504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
486638442 is a wasteful number, since it uses less digits than its factorization.
486638442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3003955 (or 3003946 counting only the distinct ones).
The product of its digits is 884736, while the sum is 45.
The square root of 486638442 is about 22059.8830912587. The cubic root of 486638442 is about 786.5665456782.
The spelling of 486638442 in words is "four hundred eighty-six million, six hundred thirty-eight thousand, four hundred forty-two".
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