Base | Representation |
---|---|
bin | 11011100101101101111101 |
3 | 111121102221222 |
4 | 123211231331 |
5 | 3322414011 |
6 | 415003125 |
7 | 115321442 |
oct | 33455575 |
9 | 14542858 |
10 | 7232381 |
11 | 409a882 |
12 | 25094a5 |
13 | 1662c20 |
14 | d639c9 |
15 | 97cddb |
hex | 6e5b7d |
7232381 has 8 divisors (see below), whose sum is σ = 7811160. Its totient is φ = 6656832.
The previous prime is 7232377. The next prime is 7232383. The reversal of 7232381 is 1832327.
It can be written as a sum of positive squares in 4 ways, for example, as 2992900 + 4239481 = 1730^2 + 2059^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7232381 - 22 = 7232377 is a prime.
It is a super-2 number, since 2×72323812 = 104614669858322, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 7232381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7232383) 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, 6071 + ... + 7163.
It is an arithmetic number, because the mean of its divisors is an integer number (976395).
Almost surely, 27232381 is an apocalyptic number.
It is an amenable number.
7232381 is a deficient number, since it is larger than the sum of its proper divisors (578779).
7232381 is a wasteful number, since it uses less digits than its factorization.
7232381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1615.
The product of its digits is 2016, while the sum is 26.
The square root of 7232381 is about 2689.3086472177. The cubic root of 7232381 is about 193.3869210021.
The spelling of 7232381 in words is "seven million, two hundred thirty-two thousand, three hundred eighty-one".
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