Base | Representation |
---|---|
bin | 1010110011000100110010 |
3 | 12022210220121 |
4 | 22303010302 |
5 | 1211040032 |
6 | 140400454 |
7 | 33026413 |
oct | 12630462 |
9 | 5283817 |
10 | 2830642 |
11 | 1663781 |
12 | b4612a |
13 | 781549 |
14 | 53980a |
15 | 3ada97 |
hex | 2b3132 |
2830642 has 4 divisors (see below), whose sum is σ = 4245966. Its totient is φ = 1415320.
The previous prime is 2830637. The next prime is 2830651. The reversal of 2830642 is 2460382.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 1510441 + 1320201 = 1229^2 + 1149^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707659 + ... + 707662.
22830642 is an apocalyptic number.
2830642 is a deficient number, since it is larger than the sum of its proper divisors (1415324).
2830642 is a wasteful number, since it uses less digits than its factorization.
2830642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1415323.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 2830642 is about 1682.4511879992. The cubic root of 2830642 is about 141.4582611934.
The spelling of 2830642 in words is "two million, eight hundred thirty thousand, six hundred forty-two".
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