Base | Representation |
---|---|
bin | 11011000000110110111100 |
3 | 111022202212020 |
4 | 123000312330 |
5 | 3303101104 |
6 | 411440140 |
7 | 114122331 |
oct | 33006674 |
9 | 14282766 |
10 | 7081404 |
11 | 3aa7400 |
12 | 2456050 |
13 | 160c2a5 |
14 | d24988 |
15 | 94d2d9 |
hex | 6c0dbc |
7081404 has 36 divisors (see below), whose sum is σ = 18165672. Its totient is φ = 2145440.
The previous prime is 7081387. The next prime is 7081411. The reversal of 7081404 is 4041807.
It is a super-2 number, since 2×70814042 = 100292565222432, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987 + ... + 3890.
It is an arithmetic number, because the mean of its divisors is an integer number (504602).
Almost surely, 27081404 is an apocalyptic number.
It is an amenable number.
7081404 is an abundant number, since it is smaller than the sum of its proper divisors (11084268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7081404 is a wasteful number, since it uses less digits than its factorization.
7081404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4906 (or 4893 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 7081404 is about 2661.0907538075. The cubic root of 7081404 is about 192.0317872718.
It can be divided in two parts, 708 and 1404, that added together give a palindrome (2112).
The spelling of 7081404 in words is "seven million, eighty-one thousand, four hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •