Base | Representation |
---|---|
bin | 10000101011100111110101 |
3 | 22020011121021 |
4 | 100223213311 |
5 | 2104413411 |
6 | 233421141 |
7 | 52112134 |
oct | 20534765 |
9 | 8204537 |
10 | 4372981 |
11 | 2517538 |
12 | 156a7b1 |
13 | ba1582 |
14 | 81b91b |
15 | 5b5a71 |
hex | 42b9f5 |
4372981 has 2 divisors, whose sum is σ = 4372982. Its totient is φ = 4372980.
The previous prime is 4372969. The next prime is 4373003. The reversal of 4372981 is 1892734.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2669956 + 1703025 = 1634^2 + 1305^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-4372981 is a prime.
It is a super-2 number, since 2×43729812 = 38245925652722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4372931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2186490 + 2186491.
It is an arithmetic number, because the mean of its divisors is an integer number (2186491).
Almost surely, 24372981 is an apocalyptic number.
It is an amenable number.
4372981 is a deficient number, since it is larger than the sum of its proper divisors (1).
4372981 is an equidigital number, since it uses as much as digits as its factorization.
4372981 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 12096, while the sum is 34.
The square root of 4372981 is about 2091.1673773278. The cubic root of 4372981 is about 163.5281524654.
The spelling of 4372981 in words is "four million, three hundred seventy-two thousand, nine hundred eighty-one".
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