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199932553 is a prime number
BaseRepresentation
bin10111110101010…
…11101010001001
3111221012121220101
423322223222021
5402140320203
631501125401
74645253512
oct1372535211
9457177811
10199932553
11a2947317
1256b59861
13325626b2
141c7a5a09
151284441d
hexbeaba89

199932553 has 2 divisors, whose sum is σ = 199932554. Its totient is φ = 199932552.

The previous prime is 199932539. The next prime is 199932559. The reversal of 199932553 is 355239991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116812864 + 83119689 = 10808^2 + 9117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-199932553 is a prime.

It is not a weakly prime, because it can be changed into another prime (199932559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99966276 + 99966277.

It is an arithmetic number, because the mean of its divisors is an integer number (99966277).

Almost surely, 2199932553 is an apocalyptic number.

It is an amenable number.

199932553 is a deficient number, since it is larger than the sum of its proper divisors (1).

199932553 is an equidigital number, since it uses as much as digits as its factorization.

199932553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 328050, while the sum is 46.

The square root of 199932553 is about 14139.7508110999. The cubic root of 199932553 is about 584.7378015099.

The spelling of 199932553 in words is "one hundred ninety-nine million, nine hundred thirty-two thousand, five hundred fifty-three".