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22823993 is a prime number
BaseRepresentation
bin101011100010…
…0010000111001
31120221120122002
41113010100321
521320331433
62133110345
7365000153
oct127042071
946846562
1022823993
111197a005
1277883b5
13496192a
143061ad3
15200c9e8
hex15c4439

22823993 has 2 divisors, whose sum is σ = 22823994. Its totient is φ = 22823992.

The previous prime is 22823947. The next prime is 22824001. The reversal of 22823993 is 39932822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17197609 + 5626384 = 4147^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 22823993 - 220 = 21775417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22823923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11411996 + 11411997.

It is an arithmetic number, because the mean of its divisors is an integer number (11411997).

Almost surely, 222823993 is an apocalyptic number.

It is an amenable number.

22823993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22823993 is an equidigital number, since it uses as much as digits as its factorization.

22823993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 22823993 is about 4777.4462843657. The cubic root of 22823993 is about 283.6594186471.

The spelling of 22823993 in words is "twenty-two million, eight hundred twenty-three thousand, nine hundred ninety-three".