Base | Representation |
---|---|
bin | 1011111111001100101010 |
3 | 12220122121202 |
4 | 23333030222 |
5 | 1301024232 |
6 | 151204202 |
7 | 35465432 |
oct | 13771452 |
9 | 5818552 |
10 | 3142442 |
11 | 1856a66 |
12 | 1076662 |
13 | 860444 |
14 | 5bb2c2 |
15 | 421162 |
hex | 2ff32a |
3142442 has 4 divisors (see below), whose sum is σ = 4713666. Its totient is φ = 1571220.
The previous prime is 3142441. The next prime is 3142453. The reversal of 3142442 is 2442413.
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., 2042041 + 1100401 = 1429^2 + 1049^2 .
It is not an unprimeable number, because it can be changed into a prime (3142441) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785609 + ... + 785612.
Almost surely, 23142442 is an apocalyptic number.
3142442 is a deficient number, since it is larger than the sum of its proper divisors (1571224).
3142442 is a wasteful number, since it uses less digits than its factorization.
3142442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1571223.
The product of its digits is 768, while the sum is 20.
The square root of 3142442 is about 1772.6934309124. The cubic root of 3142442 is about 146.4723862424.
Adding to 3142442 its reverse (2442413), we get a palindrome (5584855).
The spelling of 3142442 in words is "three million, one hundred forty-two thousand, four hundred forty-two".
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