Base | Representation |
---|---|
bin | 1110110001110… |
… | …0011100011100 |
3 | 11022122000222212 |
4 | 3230130130130 |
5 | 111331414432 |
6 | 10052255552 |
7 | 1351561655 |
oct | 354343434 |
9 | 138560885 |
10 | 61982492 |
11 | 31a95400 |
12 | 189115b8 |
13 | cac2440 |
14 | 833652c |
15 | 56952b2 |
hex | 3b1c71c |
61982492 has 36 divisors (see below), whose sum is σ = 128410968. Its totient is φ = 26004000.
The previous prime is 61982461. The next prime is 61982497. The reversal of 61982492 is 29428916.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61982497) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367 + ... + 11217.
Almost surely, 261982492 is an apocalyptic number.
It is an amenable number.
61982492 is an abundant number, since it is smaller than the sum of its proper divisors (66428476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61982492 is a wasteful number, since it uses less digits than its factorization.
61982492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9890 (or 9877 counting only the distinct ones).
The product of its digits is 62208, while the sum is 41.
The square root of 61982492 is about 7872.8960364024. The cubic root of 61982492 is about 395.7519022100.
It can be divided in two parts, 619824 and 92, that added together give a palindrome (619916).
The spelling of 61982492 in words is "sixty-one million, nine hundred eighty-two thousand, four hundred ninety-two".
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