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6028421 = 72177237
BaseRepresentation
bin10110111111110010000101
3102100021102212
4112333302011
53020402141
6333113205
7102145400
oct26776205
912307385
106028421
113448273
122028805
131330c19
14b2cd37
157e12eb
hex5bfc85

6028421 has 12 divisors (see below), whose sum is σ = 7426188. Its totient is φ = 4862592.

The previous prime is 6028417. The next prime is 6028423. The reversal of 6028421 is 1248206.

6028421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4351396 + 1677025 = 2086^2 + 1295^2 .

It is not a de Polignac number, because 6028421 - 22 = 6028417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6028423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2786 + ... + 4451.

It is an arithmetic number, because the mean of its divisors is an integer number (618849).

Almost surely, 26028421 is an apocalyptic number.

It is an amenable number.

6028421 is a deficient number, since it is larger than the sum of its proper divisors (1397767).

6028421 is a wasteful number, since it uses less digits than its factorization.

6028421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268 (or 7261 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6028421 is about 2455.2843012572. The cubic root of 6028421 is about 181.9985206980.

The spelling of 6028421 in words is "six million, twenty-eight thousand, four hundred twenty-one".

Divisors: 1 7 17 49 119 833 7237 50659 123029 354613 861203 6028421