Base | Representation |
---|---|
bin | 1011110001101… |
… | …1110011111010 |
3 | 10102221121221000 |
4 | 2330123303322 |
5 | 100121200421 |
6 | 4522425430 |
7 | 1136603352 |
oct | 274336372 |
9 | 112847830 |
10 | 49396986 |
11 | 25979761 |
12 | 14662276 |
13 | a306ab2 |
14 | 67bbb62 |
15 | 450b226 |
hex | 2f1bcfa |
49396986 has 32 divisors (see below), whose sum is σ = 110577600. Its totient is φ = 16344720.
The previous prime is 49396973. The next prime is 49397003. The reversal of 49396986 is 68969394.
It is a happy number.
It is a super-3 number, since 3×493969863 (a number of 24 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4216 + ... + 10796.
It is an arithmetic number, because the mean of its divisors is an integer number (3455550).
Almost surely, 249396986 is an apocalyptic number.
49396986 is an abundant number, since it is smaller than the sum of its proper divisors (61180614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49396986 is a wasteful number, since it uses less digits than its factorization.
49396986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6731 (or 6725 counting only the distinct ones).
The product of its digits is 2519424, while the sum is 54.
The square root of 49396986 is about 7028.2989407110. The cubic root of 49396986 is about 366.9161407835.
It can be divided in two parts, 493 and 96986, that added together give a palindrome (97479).
The spelling of 49396986 in words is "forty-nine million, three hundred ninety-six thousand, nine hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •