Base | Representation |
---|---|
bin | 100111100000011… |
… | …111110001000010 |
3 | 1201012020021000200 |
4 | 213200133301002 |
5 | 2324141031041 |
6 | 145434430030 |
7 | 22265651256 |
oct | 4740376102 |
9 | 1635207020 |
10 | 662830146 |
11 | 310172110 |
12 | 165b92316 |
13 | a7426ab4 |
14 | 64060266 |
15 | 3d2ce1b6 |
hex | 2781fc42 |
662830146 has 48 divisors (see below), whose sum is σ = 1634817600. Its totient is φ = 192123360.
The previous prime is 662830139. The next prime is 662830171. The reversal of 662830146 is 641038266.
It is a self number, because there is not a number n which added to its sum of digits gives 662830146.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68221 + ... + 77328.
It is an arithmetic number, because the mean of its divisors is an integer number (34058700).
Almost surely, 2662830146 is an apocalyptic number.
662830146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
662830146 is an abundant number, since it is smaller than the sum of its proper divisors (971987454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
662830146 is a wasteful number, since it uses less digits than its factorization.
662830146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145591 (or 145588 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 36.
The square root of 662830146 is about 25745.4878765193. The cubic root of 662830146 is about 871.9014851322.
It can be divided in two parts, 662830 and 146, that added together give a triangular number (662976 = T1151).
The spelling of 662830146 in words is "six hundred sixty-two million, eight hundred thirty thousand, one hundred forty-six".
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