Base | Representation |
---|---|
bin | 11000001100100… |
… | …10010110110001 |
3 | 112010221011212022 |
4 | 30012102112301 |
5 | 403430142031 |
6 | 32050241225 |
7 | 5013153542 |
oct | 1406222661 |
9 | 463834768 |
10 | 202974641 |
11 | a4634941 |
12 | 57b86215 |
13 | 3308924c |
14 | 1cd584c9 |
15 | 12c4597b |
hex | c1925b1 |
202974641 has 8 divisors (see below), whose sum is σ = 208185768. Its totient is φ = 197776000.
The previous prime is 202974617. The next prime is 202974649. The reversal of 202974641 is 146479202.
It can be written as a sum of positive squares in 4 ways, for example, as 17606416 + 185368225 = 4196^2 + 13615^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-202974641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202974649) 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, 35951 + ... + 41211.
It is an arithmetic number, because the mean of its divisors is an integer number (26023221).
Almost surely, 2202974641 is an apocalyptic number.
It is an amenable number.
202974641 is a deficient number, since it is larger than the sum of its proper divisors (5211127).
202974641 is an equidigital number, since it uses as much as digits as its factorization.
202974641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6243.
The product of its (nonzero) digits is 24192, while the sum is 35.
The square root of 202974641 is about 14246.9168945425. The cubic root of 202974641 is about 587.6885922983.
The spelling of 202974641 in words is "two hundred two million, nine hundred seventy-four thousand, six hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •