Base | Representation |
---|---|
bin | 11000100101011110001110 |
3 | 110010102210120 |
4 | 120211132032 |
5 | 3122214232 |
6 | 350045410 |
7 | 105531630 |
oct | 30453616 |
9 | 13112716 |
10 | 6444942 |
11 | 37021a9 |
12 | 21a9866 |
13 | 144869a |
14 | bdaa50 |
15 | 87492c |
hex | 62578e |
6444942 has 32 divisors (see below), whose sum is σ = 14833152. Its totient is φ = 1828704.
The previous prime is 6444941. The next prime is 6444943. The reversal of 6444942 is 2494446.
It is an interprime number because it is at equal distance from previous prime (6444941) and next prime (6444943).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6444941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823 + ... + 7709.
It is an arithmetic number, because the mean of its divisors is an integer number (463536).
Almost surely, 26444942 is an apocalyptic number.
6444942 is an abundant number, since it is smaller than the sum of its proper divisors (8388210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6444942 is a wasteful number, since it uses less digits than its factorization.
6444942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1072.
The product of its digits is 27648, while the sum is 33.
The square root of 6444942 is about 2538.6890317642. The cubic root of 6444942 is about 186.0971281360.
The spelling of 6444942 in words is "six million, four hundred forty-four thousand, nine hundred forty-two".
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