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223102994 = 2193357709
BaseRepresentation
bin11010100110001…
…00100000010010
3120112210210202212
431103010200102
5424103243434
634045512122
75346226022
oct1523044022
9515723685
10223102994
11104a32644
1262872642
13372b5c0a
14218b7a82
15148be8ce
hexd4c4812

223102994 has 8 divisors (see below), whose sum is σ = 334833420. Its totient is φ = 111491856.

The previous prime is 223102987. The next prime is 223103009. The reversal of 223102994 is 499201322.

It can be written as a sum of positive squares in 2 ways, for example, as 216472369 + 6630625 = 14713^2 + 2575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2231029943 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223102994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24989 + ... + 32720.

Almost surely, 2223102994 is an apocalyptic number.

223102994 is a deficient number, since it is larger than the sum of its proper divisors (111730426).

223102994 is a wasteful number, since it uses less digits than its factorization.

223102994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59644.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 223102994 is about 14936.6326191682. The cubic root of 223102994 is about 606.5060436311.

The spelling of 223102994 in words is "two hundred twenty-three million, one hundred two thousand, nine hundred ninety-four".

Divisors: 1 2 1933 3866 57709 115418 111551497 223102994