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4073223 = 372112229
BaseRepresentation
bin1111100010011100000111
321122221102010
433202130013
52020320343
6223145303
746423200
oct17423407
97587363
104073223
112332300
121445233
13ac7cbb
147805a7
15556d33
hex3e2707

4073223 has 36 divisors (see below), whose sum is σ = 6974520. Its totient is φ = 2106720.

The previous prime is 4073203. The next prime is 4073233. The reversal of 4073223 is 3223704.

It is a happy number.

It is not a de Polignac number, because 4073223 - 25 = 4073191 is a prime.

It is a super-2 number, since 2×40732232 = 33182291215458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

4073223 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4073223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4073203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17673 + ... + 17901.

Almost surely, 24073223 is an apocalyptic number.

4073223 is a deficient number, since it is larger than the sum of its proper divisors (2901297).

4073223 is a wasteful number, since it uses less digits than its factorization.

4073223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 4073223 is about 2018.2227330005. Note that the first 3 decimals coincide. The cubic root of 4073223 is about 159.7028730430.

Adding to 4073223 its reverse (3223704), we get a palindrome (7296927).

It can be divided in two parts, 40732 and 23, that added together give a triangular number (40755 = T285).

The spelling of 4073223 in words is "four million, seventy-three thousand, two hundred twenty-three".

Divisors: 1 3 7 11 21 33 49 77 121 147 229 231 363 539 687 847 1603 1617 2519 2541 4809 5929 7557 11221 17633 17787 27709 33663 52899 83127 123431 193963 370293 581889 1357741 4073223