Base | Representation |
---|---|
bin | 1000001110001… |
… | …10100110000100 |
3 | 11210210002021012 |
4 | 10013012212010 |
5 | 120124032014 |
6 | 10502141352 |
7 | 1465146203 |
oct | 407064604 |
9 | 153702235 |
10 | 68970884 |
11 | 35a28934 |
12 | 1b121858 |
13 | 1139b298 |
14 | 923523a |
15 | 60c5c3e |
hex | 41c6984 |
68970884 has 6 divisors (see below), whose sum is σ = 120699054. Its totient is φ = 34485440.
The previous prime is 68970883. The next prime is 68970917. The reversal of 68970884 is 48807986.
It can be written as a sum of positive squares in only one way, i.e., 56580484 + 12390400 = 7522^2 + 3520^2 .
It is not an unprimeable number, because it can be changed into a prime (68970883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8621357 + ... + 8621364.
It is an arithmetic number, because the mean of its divisors is an integer number (20116509).
Almost surely, 268970884 is an apocalyptic number.
It is an amenable number.
68970884 is a deficient number, since it is larger than the sum of its proper divisors (51728170).
68970884 is a wasteful number, since it uses less digits than its factorization.
68970884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17242725 (or 17242723 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 50.
The square root of 68970884 is about 8304.8711007456. The cubic root of 68970884 is about 410.0988934558.
The spelling of 68970884 in words is "sixty-eight million, nine hundred seventy thousand, eight hundred eighty-four".
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