Base | Representation |
---|---|
bin | 111010110010111… |
… | …0100101001010010 |
3 | 12002111021010101011 |
4 | 1311211310221102 |
5 | 13020022133414 |
6 | 523433001134 |
7 | 66613641016 |
oct | 16545645122 |
9 | 5074233334 |
10 | 1972849234 |
11 | 922692914 |
12 | 4708531aa |
13 | 25595c215 |
14 | 14a02c546 |
15 | b82ecdc4 |
hex | 75974a52 |
1972849234 has 8 divisors (see below), whose sum is σ = 3031451388. Its totient is φ = 962365440.
The previous prime is 1972849231. The next prime is 1972849271. The reversal of 1972849234 is 4329482791.
It can be written as a sum of positive squares in 2 ways, for example, as 1971093609 + 1755625 = 44397^2 + 1325^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×19728492343 (a number of 29 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1972849231) 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, 12029487 + ... + 12029650.
Almost surely, 21972849234 is an apocalyptic number.
1972849234 is a deficient number, since it is larger than the sum of its proper divisors (1058602154).
1972849234 is a wasteful number, since it uses less digits than its factorization.
1972849234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24059180.
The product of its digits is 870912, while the sum is 49.
The square root of 1972849234 is about 44416.7674870651. The cubic root of 1972849234 is about 1254.1937508150.
The spelling of 1972849234 in words is "one billion, nine hundred seventy-two million, eight hundred forty-nine thousand, two hundred thirty-four".
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