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4268919 = 31422973
BaseRepresentation
bin10000010010001101110111
322000212212010
4100102031313
52043101134
6231255303
751166554
oct20221567
98025763
104268919
112456336
12151a533
13b660b5
147d1a2b
15594ce9
hex412377

4268919 has 4 divisors (see below), whose sum is σ = 5691896. Its totient is φ = 2845944.

The previous prime is 4268909. The next prime is 4268933. The reversal of 4268919 is 9198624.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4268919 - 27 = 4268791 is a prime.

It is a super-3 number, since 3×42689193 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4268909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711484 + ... + 711489.

It is an arithmetic number, because the mean of its divisors is an integer number (1422974).

Almost surely, 24268919 is an apocalyptic number.

4268919 is a deficient number, since it is larger than the sum of its proper divisors (1422977).

4268919 is a wasteful number, since it uses less digits than its factorization.

4268919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422976.

The product of its digits is 31104, while the sum is 39.

The square root of 4268919 is about 2066.1362491375. The cubic root of 4268919 is about 162.2205880829.

The spelling of 4268919 in words is "four million, two hundred sixty-eight thousand, nine hundred nineteen".

Divisors: 1 3 1422973 4268919