Base | Representation |
---|---|
bin | 1010010100011010000111 |
3 | 12002102121100 |
4 | 22110122013 |
5 | 1143030111 |
6 | 133551143 |
7 | 31664250 |
oct | 12243207 |
9 | 5072540 |
10 | 2705031 |
11 | 158836a |
12 | aa54b3 |
13 | 739314 |
14 | 505b27 |
15 | 386756 |
hex | 294687 |
2705031 has 12 divisors (see below), whose sum is σ = 4465552. Its totient is φ = 1545696.
The previous prime is 2705009. The next prime is 2705041. The reversal of 2705031 is 1305072.
It is not a de Polignac number, because 2705031 - 27 = 2704903 is a prime.
It is a super-2 number, since 2×27050312 = 14634385421922, which contains 22 as substring.
2705031 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2704995 and 2705013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2705041) 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, 21406 + ... + 21531.
22705031 is an apocalyptic number.
2705031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2705031 is a deficient number, since it is larger than the sum of its proper divisors (1760521).
2705031 is a wasteful number, since it uses less digits than its factorization.
2705031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42950 (or 42947 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 2705031 is about 1644.6978445903. The cubic root of 2705031 is about 139.3340996170.
The spelling of 2705031 in words is "two million, seven hundred five thousand, thirty-one".
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