Base | Representation |
---|---|
bin | 11000011110101011110 |
3 | 1111202022222 |
4 | 3003311132 |
5 | 201132032 |
6 | 25105342 |
7 | 6550415 |
oct | 3036536 |
9 | 1452288 |
10 | 802142 |
11 | 4a8730 |
12 | 328252 |
13 | 221153 |
14 | 16c47c |
15 | 10ca12 |
hex | c3d5e |
802142 has 24 divisors (see below), whose sum is σ = 1399032. Its totient is φ = 342000.
The previous prime is 802141. The next prime is 802147. The reversal of 802142 is 241208.
It is a self number, because there is not a number n which added to its sum of digits gives 802142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (802141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7892 + ... + 7992.
It is an arithmetic number, because the mean of its divisors is an integer number (58293).
2802142 is an apocalyptic number.
802142 is a deficient number, since it is larger than the sum of its proper divisors (596890).
802142 is a wasteful number, since it uses less digits than its factorization.
802142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152 (or 133 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 802142 is about 895.6238049538. The cubic root of 802142 is about 92.9145551970.
It can be divided in two parts, 80 and 2142, that added together give a palindrome (2222).
The spelling of 802142 in words is "eight hundred two thousand, one hundred forty-two".
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