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223552023 = 31719922027
BaseRepresentation
bin11010101001100…
…10001000010111
3120120122121201120
431110302020113
5424212131043
634103255023
75353106112
oct1524621027
9516577646
10223552023
11105209a42
1262a4a473
1337412406
1421993579
151495c983
hexd532217

223552023 has 16 divisors (see below), whose sum is σ = 317203200. Its totient is φ = 139556736.

The previous prime is 223551971. The next prime is 223552033. The reversal of 223552023 is 320255322.

It is not a de Polignac number, because 223552023 - 26 = 223551959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223551984 and 223552002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223552033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865 + ... + 21162.

It is an arithmetic number, because the mean of its divisors is an integer number (19825200).

Almost surely, 2223552023 is an apocalyptic number.

223552023 is a deficient number, since it is larger than the sum of its proper divisors (93651177).

223552023 is a wasteful number, since it uses less digits than its factorization.

223552023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22246.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 223552023 is about 14951.6561958868. The cubic root of 223552023 is about 606.9126664402.

The spelling of 223552023 in words is "two hundred twenty-three million, five hundred fifty-two thousand, twenty-three".

Divisors: 1 3 17 51 199 597 3383 10149 22027 66081 374459 1123377 4383373 13150119 74517341 223552023