Base | Representation |
---|---|
bin | 1011011111100… |
… | …1001000110111 |
3 | 10100201010201220 |
4 | 2313321020313 |
5 | 44320101031 |
6 | 4441121423 |
7 | 1123514262 |
oct | 267711067 |
9 | 110633656 |
10 | 48206391 |
11 | 252361a2 |
12 | 14189273 |
13 | 9caabbc |
14 | 658bcd9 |
15 | 4373596 |
hex | 2df9237 |
48206391 has 8 divisors (see below), whose sum is σ = 64911984. Its totient is φ = 31819200.
The previous prime is 48206359. The next prime is 48206399. The reversal of 48206391 is 19360284.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 48206391 - 25 = 48206359 is a prime.
It is a super-2 number, since 2×482063912 = 4647712266489762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48206399) 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, 79246 + ... + 79851.
It is an arithmetic number, because the mean of its divisors is an integer number (8113998).
Almost surely, 248206391 is an apocalyptic number.
48206391 is a deficient number, since it is larger than the sum of its proper divisors (16705593).
48206391 is a wasteful number, since it uses less digits than its factorization.
48206391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159201.
The product of its (nonzero) digits is 10368, while the sum is 33.
The square root of 48206391 is about 6943.0822406191. The cubic root of 48206391 is about 363.9442589644.
It can be divided in two parts, 4820 and 6391, that added together give a palindrome (11211).
The spelling of 48206391 in words is "forty-eight million, two hundred six thousand, three hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •