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4028633 = 7282217
BaseRepresentation
bin1111010111100011011001
321120200020122
433113203121
52012404013
6222203025
746146200
oct17274331
97520218
104028633
112301854
121423475
13ab090b
1476c237
15548a08
hex3d78d9

4028633 has 6 divisors (see below), whose sum is σ = 4686426. Its totient is φ = 3453072.

The previous prime is 4028621. The next prime is 4028641. The reversal of 4028633 is 3368204.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 1570009 = 1568^2 + 1253^2 .

It is a de Polignac number, because none of the positive numbers 2k-4028633 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4028603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41060 + ... + 41157.

It is an arithmetic number, because the mean of its divisors is an integer number (781071).

Almost surely, 24028633 is an apocalyptic number.

It is an amenable number.

4028633 is a deficient number, since it is larger than the sum of its proper divisors (657793).

4028633 is an equidigital number, since it uses as much as digits as its factorization.

4028633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82231 (or 82224 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4028633 is about 2007.1454855092. The cubic root of 4028633 is about 159.1179721233.

The spelling of 4028633 in words is "four million, twenty-eight thousand, six hundred thirty-three".

Divisors: 1 7 49 82217 575519 4028633