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4273489 = 11388499
BaseRepresentation
bin10000010011010101010001
322001010010101
4100103111101
52043222424
6231332401
751216103
oct20232521
98033111
104273489
112459810
121521101
13b681bc
147d3573
15596344
hex413551

4273489 has 4 divisors (see below), whose sum is σ = 4662000. Its totient is φ = 3884980.

The previous prime is 4273483. The next prime is 4273519. The reversal of 4273489 is 9843724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4273489 - 23 = 4273481 is a prime.

It is a super-3 number, since 3×42734893 (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 48 + 29 + 7 + 38 + 411 + 8 + 94 .

It is a Duffinian number.

4273489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4273481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194239 + ... + 194260.

It is an arithmetic number, because the mean of its divisors is an integer number (1165500).

Almost surely, 24273489 is an apocalyptic number.

It is an amenable number.

4273489 is a deficient number, since it is larger than the sum of its proper divisors (388511).

4273489 is a wasteful number, since it uses less digits than its factorization.

4273489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388510.

The product of its digits is 48384, while the sum is 37.

The square root of 4273489 is about 2067.2418823157. The cubic root of 4273489 is about 162.2784546997.

It can be divided in two parts, 427 and 3489, that added together give a triangular number (3916 = T88).

The spelling of 4273489 in words is "four million, two hundred seventy-three thousand, four hundred eighty-nine".

Divisors: 1 11 388499 4273489