Base | Representation |
---|---|
bin | 1011010101001101111101 |
3 | 12120220202021 |
4 | 23111031331 |
5 | 1230023433 |
6 | 143400141 |
7 | 34151221 |
oct | 13251575 |
9 | 5526667 |
10 | 2970493 |
11 | 1749859 |
12 | bb3051 |
13 | 8000b6 |
14 | 574781 |
15 | 3da22d |
hex | 2d537d |
2970493 has 4 divisors (see below), whose sum is σ = 2974140. Its totient is φ = 2966848.
The previous prime is 2970469. The next prime is 2970503. The reversal of 2970493 is 3940792.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 2913849 + 56644 = 1707^2 + 238^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2970493 is a prime.
It is a super-3 number, since 3×29704933 = 78633363830359239471, which contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2970413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21 + ... + 2437.
It is an arithmetic number, because the mean of its divisors is an integer number (743535).
22970493 is an apocalyptic number.
It is an amenable number.
2970493 is a deficient number, since it is larger than the sum of its proper divisors (3647).
2970493 is a wasteful number, since it uses less digits than its factorization.
2970493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3646.
The product of its (nonzero) digits is 13608, while the sum is 34.
The square root of 2970493 is about 1723.5118218335. The cubic root of 2970493 is about 143.7505487062.
Subtracting 2970493 from its reverse (3940792), we obtain a cube (970299 = 993).
The spelling of 2970493 in words is "two million, nine hundred seventy thousand, four hundred ninety-three".
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