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7828227 = 3211107739
BaseRepresentation
bin11101110111001100000011
3112201201022100
4131313030003
54001000402
6435441443
7123352551
oct35671403
915651270
107828227
114467510
122756283
1318111b4
14107abd1
15a4971c
hex777303

7828227 has 24 divisors (see below), whose sum is σ = 12467520. Its totient is φ = 4693680.

The previous prime is 7828217. The next prime is 7828237. The reversal of 7828227 is 7228287.

7828227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7828217) and next prime (7828237).

It is not a de Polignac number, because 7828227 - 27 = 7828099 is a prime.

It is a super-2 number, since 2×78282272 = 122562275927058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7828191 and 7828200.

It is not an unprimeable number, because it can be changed into a prime (7828217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10224 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (519480).

Almost surely, 27828227 is an apocalyptic number.

7828227 is a deficient number, since it is larger than the sum of its proper divisors (4639293).

7828227 is a wasteful number, since it uses less digits than its factorization.

7828227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 860 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 7828227 is about 2797.8968887363. The cubic root of 7828227 is about 198.5581892189.

It can be divided in two parts, 782 and 8227, that added together give a palindrome (9009).

The spelling of 7828227 in words is "seven million, eight hundred twenty-eight thousand, two hundred twenty-seven".

Divisors: 1 3 9 11 33 99 107 321 739 963 1177 2217 3531 6651 8129 10593 24387 73161 79073 237219 711657 869803 2609409 7828227