Base | Representation |
---|---|
bin | 10100100111100001101101 |
3 | 101011120222002 |
4 | 110213201231 |
5 | 2340423111 |
6 | 311502045 |
7 | 63640244 |
oct | 24474155 |
9 | 11146862 |
10 | 5404781 |
11 | 3061768 |
12 | 1987925 |
13 | 11730c5 |
14 | a0995b |
15 | 71b63b |
hex | 52786d |
5404781 has 4 divisors (see below), whose sum is σ = 5506812. Its totient is φ = 5302752.
The previous prime is 5404771. The next prime is 5404807. The reversal of 5404781 is 1874045.
5404781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 3276100 = 1459^2 + 1810^2 .
It is a cyclic number.
It is not a de Polignac number, because 5404781 - 26 = 5404717 is a prime.
It is a super-2 number, since 2×54047812 = 58423315315922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5404741) 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, 50936 + ... + 51041.
It is an arithmetic number, because the mean of its divisors is an integer number (1376703).
Almost surely, 25404781 is an apocalyptic number.
It is an amenable number.
5404781 is a deficient number, since it is larger than the sum of its proper divisors (102031).
5404781 is a wasteful number, since it uses less digits than its factorization.
5404781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102030.
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 5404781 is about 2324.8184875383. The cubic root of 5404781 is about 175.4928257931.
The spelling of 5404781 in words is "five million, four hundred four thousand, seven hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.242 sec. • engine limits •