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229972553 is a prime number
BaseRepresentation
bin11011011010100…
…01101001001001
3121000201211000222
431231101221021
5432333110203
634453035425
75461506626
oct1555215111
9530654028
10229972553
111088a4868
1265025b75
133884c945
142278534d
15152ca038
hexdb51a49

229972553 has 2 divisors, whose sum is σ = 229972554. Its totient is φ = 229972552.

The previous prime is 229972531. The next prime is 229972579. The reversal of 229972553 is 355279922.

229972553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153462544 + 76510009 = 12388^2 + 8747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229972553 is a prime.

It is not a weakly prime, because it can be changed into another prime (229975553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114986276 + 114986277.

It is an arithmetic number, because the mean of its divisors is an integer number (114986277).

Almost surely, 2229972553 is an apocalyptic number.

It is an amenable number.

229972553 is a deficient number, since it is larger than the sum of its proper divisors (1).

229972553 is an equidigital number, since it uses as much as digits as its factorization.

229972553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 229972553 is about 15164.8459603123. The cubic root of 229972553 is about 612.6681947085.

The spelling of 229972553 in words is "two hundred twenty-nine million, nine hundred seventy-two thousand, five hundred fifty-three".