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230622563 = 593908857
BaseRepresentation
bin11011011111100…
…00010101100011
3121001221211200102
431233300111203
5433014410223
634515013015
75500154663
oct1557602543
9531854612
10230622563
111091a9166
126529a16b
1338a19772
14228b41a3
15153a7928
hexdbf0563

230622563 has 4 divisors (see below), whose sum is σ = 234531480. Its totient is φ = 226713648.

The previous prime is 230622559. The next prime is 230622571. The reversal of 230622563 is 365226032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230622563 - 22 = 230622559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230622533) 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, 1954370 + ... + 1954487.

It is an arithmetic number, because the mean of its divisors is an integer number (58632870).

Almost surely, 2230622563 is an apocalyptic number.

230622563 is a deficient number, since it is larger than the sum of its proper divisors (3908917).

230622563 is an equidigital number, since it uses as much as digits as its factorization.

230622563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908916.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 230622563 is about 15186.2623117079. The cubic root of 230622563 is about 613.2448806819.

Adding to 230622563 its reverse (365226032), we get a palindrome (595848595).

The spelling of 230622563 in words is "two hundred thirty million, six hundred twenty-two thousand, five hundred sixty-three".

Divisors: 1 59 3908857 230622563