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4268889 = 33223709
BaseRepresentation
bin10000010010001101011001
322000212211000
4100102031121
52043101024
6231255213
751166512
oct20221531
98025730
104268889
112456309
12151a509
13b66091
147d1a09
15594cc9
hex412359

4268889 has 16 divisors (see below), whose sum is σ = 6361600. Its totient is φ = 2829168.

The previous prime is 4268881. The next prime is 4268893. The reversal of 4268889 is 9888624.

It is a happy number.

It is not a de Polignac number, because 4268889 - 23 = 4268881 is a prime.

It is a super-3 number, since 3×42688893 (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 411 + 25 + 65 + 83 + 85 + 85 + 93 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4268881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5667 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (397600).

Almost surely, 24268889 is an apocalyptic number.

It is an amenable number.

4268889 is a deficient number, since it is larger than the sum of its proper divisors (2092711).

4268889 is a wasteful number, since it uses less digits than its factorization.

4268889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 935 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 4268889 is about 2066.1289891969. The cubic root of 4268889 is about 162.2202080781.

The spelling of 4268889 in words is "four million, two hundred sixty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 9 27 223 669 709 2007 2127 6021 6381 19143 158107 474321 1422963 4268889