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223858132 = 2255964533
BaseRepresentation
bin11010101011111…
…00110111010100
3120121020011121221
431111330313110
5424301430012
634114020124
75355522421
oct1525746724
9517204557
10223858132
111053a8a23
1262b77644
13374bb844
1421a32d48
15149bd507
hexd57cdd4

223858132 has 6 divisors (see below), whose sum is σ = 391751738. Its totient is φ = 111929064.

The previous prime is 223858123. The next prime is 223858139. The reversal of 223858132 is 231858322.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 91470096 = 11506^2 + 9564^2 .

It is a super-2 number, since 2×2238581322 = 100224926525058848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223858139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982263 + ... + 27982270.

Almost surely, 2223858132 is an apocalyptic number.

It is an amenable number.

223858132 is a deficient number, since it is larger than the sum of its proper divisors (167893606).

223858132 is a wasteful number, since it uses less digits than its factorization.

223858132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55964537 (or 55964535 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 223858132 is about 14961.8893192003. The cubic root of 223858132 is about 607.1895545589.

The spelling of 223858132 in words is "two hundred twenty-three million, eight hundred fifty-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 55964533 111929066 223858132