Base | Representation |
---|---|
bin | 1011010101101000000011 |
3 | 12121000001010 |
4 | 23111220003 |
5 | 1230102123 |
6 | 143412003 |
7 | 34156125 |
oct | 13255003 |
9 | 5530033 |
10 | 2972163 |
11 | 1750037 |
12 | bb4003 |
13 | 800a9c |
14 | 575215 |
15 | 3da993 |
hex | 2d5a03 |
2972163 has 8 divisors (see below), whose sum is σ = 3979008. Its totient is φ = 1973384.
The previous prime is 2972159. The next prime is 2972171. The reversal of 2972163 is 3612792.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2972163 - 22 = 2972159 is a prime.
2972163 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 2972163.
It is not an unprimeable number, because it can be changed into a prime (2972183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095 + ... + 2672.
It is an arithmetic number, because the mean of its divisors is an integer number (497376).
22972163 is an apocalyptic number.
2972163 is a deficient number, since it is larger than the sum of its proper divisors (1006845).
2972163 is a wasteful number, since it uses less digits than its factorization.
2972163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4033.
The product of its digits is 4536, while the sum is 30.
The square root of 2972163 is about 1723.9962296943. The cubic root of 2972163 is about 143.7774823322. Note that the first 3 decimals are identical.
It can be divided in two parts, 297 and 2163, that multiplied together give a triangular number (642411 = T1133).
The spelling of 2972163 in words is "two million, nine hundred seventy-two thousand, one hundred sixty-three".
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