Base | Representation |
---|---|
bin | 1000011100110010000010 |
3 | 11011112110121 |
4 | 20130302002 |
5 | 1031340132 |
6 | 115250454 |
7 | 24553564 |
oct | 10346202 |
9 | 4145417 |
10 | 2215042 |
11 | 1283215 |
12 | 8a9a2a |
13 | 5c729b |
14 | 419334 |
15 | 2db497 |
hex | 21cc82 |
2215042 has 12 divisors (see below), whose sum is σ = 3419010. Its totient is φ = 1076256.
The previous prime is 2215013. The next prime is 2215051. The reversal of 2215042 is 2405122.
It can be written as a sum of positive squares in 3 ways, for example, as 2047761 + 167281 = 1431^2 + 409^2 .
It is a super-2 number, since 2×22150422 = 9812822123528, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2334 + ... + 3142.
22215042 is an apocalyptic number.
2215042 is a deficient number, since it is larger than the sum of its proper divisors (1203968).
2215042 is an equidigital number, since it uses as much as digits as its factorization.
2215042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 885 (or 848 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 2215042 is about 1488.3017167228. The cubic root of 2215042 is about 130.3548882935.
The spelling of 2215042 in words is "two million, two hundred fifteen thousand, forty-two".
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