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223898930 = 2522389893
BaseRepresentation
bin11010101100001…
…10110100110010
3120121022020120222
431112012310302
5424304231210
634114533042
75356052363
oct1526066462
9517266528
10223898930
11105426642
1262b97182
1337504298
1421a43b6a
15149ca655
hexd586d32

223898930 has 8 divisors (see below), whose sum is σ = 403018092. Its totient is φ = 89559568.

The previous prime is 223898861. The next prime is 223898933. The reversal of 223898930 is 39898322.

223898930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 219306481 + 4592449 = 14809^2 + 2143^2 .

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

It is not an unprimeable number, because it can be changed into a prime (223898933) 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, 11194937 + ... + 11194956.

Almost surely, 2223898930 is an apocalyptic number.

223898930 is a deficient number, since it is larger than the sum of its proper divisors (179119162).

223898930 is a wasteful number, since it uses less digits than its factorization.

223898930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389900.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 223898930 is about 14963.2526544198. The cubic root of 223898930 is about 607.2264389530.

The spelling of 223898930 in words is "two hundred twenty-three million, eight hundred ninety-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 22389893 44779786 111949465 223898930