Base | Representation |
---|---|
bin | 1011010000111100010101 |
3 | 12120000201200 |
4 | 23100330111 |
5 | 1223443411 |
6 | 143143113 |
7 | 34046163 |
oct | 13207425 |
9 | 5500650 |
10 | 2952981 |
11 | 1737689 |
12 | ba4a99 |
13 | 7c5135 |
14 | 56c233 |
15 | 3d4e56 |
hex | 2d0f15 |
2952981 has 6 divisors (see below), whose sum is σ = 4265430. Its totient is φ = 1968648.
The previous prime is 2952977. The next prime is 2952991. The reversal of 2952981 is 1892592.
2952981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 2692881 + 260100 = 1641^2 + 510^2 .
It is not a de Polignac number, because 2952981 - 22 = 2952977 is a prime.
It is a super-2 number, since 2×29529812 = 17440193572722, which contains 22 as substring.
2952981 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2952991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164046 + ... + 164063.
It is an arithmetic number, because the mean of its divisors is an integer number (710905).
22952981 is an apocalyptic number.
It is an amenable number.
2952981 is a deficient number, since it is larger than the sum of its proper divisors (1312449).
2952981 is a wasteful number, since it uses less digits than its factorization.
2952981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328115 (or 328112 counting only the distinct ones).
The product of its digits is 12960, while the sum is 36.
The square root of 2952981 is about 1718.4239872627. The cubic root of 2952981 is about 143.4675067158.
The spelling of 2952981 in words is "two million, nine hundred fifty-two thousand, nine hundred eighty-one".
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