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4022057 = 13457677
BaseRepresentation
bin1111010101111100101001
321120100020002
433111330221
52012201212
6222112345
746121054
oct17257451
97510202
104022057
1122a7916
12141b6b5
13aaa920
14769a9b
15546ac2
hex3d5f29

4022057 has 8 divisors (see below), whose sum is σ = 4347336. Its totient is φ = 3699072.

The previous prime is 4022041. The next prime is 4022063. The reversal of 4022057 is 7502204.

It can be written as a sum of positive squares in 4 ways, for example, as 1893376 + 2128681 = 1376^2 + 1459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4022057 - 24 = 4022041 is a prime.

It is a super-2 number, since 2×40220572 = 32353885022498, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4022017) 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, 5603 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (543417).

Almost surely, 24022057 is an apocalyptic number.

It is an amenable number.

4022057 is a deficient number, since it is larger than the sum of its proper divisors (325279).

4022057 is a wasteful number, since it uses less digits than its factorization.

4022057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4022057 is about 2005.5066691487. The cubic root of 4022057 is about 159.0313480640.

The spelling of 4022057 in words is "four million, twenty-two thousand, fifty-seven".

Divisors: 1 13 457 677 5941 8801 309389 4022057