Base | Representation |
---|---|
bin | 11011100001001111001100 |
3 | 111120111210020 |
4 | 123201033030 |
5 | 3321322103 |
6 | 414342140 |
7 | 115214103 |
oct | 33411714 |
9 | 14514706 |
10 | 7214028 |
11 | 4088008 |
12 | 24ba950 |
13 | 1657773 |
14 | d5b03a |
15 | 977753 |
hex | 6e13cc |
7214028 has 24 divisors (see below), whose sum is σ = 17037888. Its totient is φ = 2375376.
The previous prime is 7214027. The next prime is 7214029. The reversal of 7214028 is 8204127.
It is an interprime number because it is at equal distance from previous prime (7214027) and next prime (7214029).
It is a nialpdrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 7213989 and 7214007.
It is not an unprimeable number, because it can be changed into a prime (7214023) 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, 2626 + ... + 4617.
It is an arithmetic number, because the mean of its divisors is an integer number (709912).
Almost surely, 27214028 is an apocalyptic number.
It is an amenable number.
7214028 is an abundant number, since it is smaller than the sum of its proper divisors (9823860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7214028 is a wasteful number, since it uses less digits than its factorization.
7214028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7333 (or 7331 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 24.
The square root of 7214028 is about 2685.8942644862. The cubic root of 7214028 is about 193.2232019081.
Subtracting 7214028 from its reverse (8204127), we obtain a palindrome (990099).
The spelling of 7214028 in words is "seven million, two hundred fourteen thousand, twenty-eight".
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