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99338885 = 519867777
BaseRepresentation
bin1011110101111…
…00101010000101
320220220221022222
411322330222011
5200412321020
613505102125
72314236512
oct572745205
9226827288
1099338885
115108a858
1229327945
1317771909
14d29c309
158ac3b25
hex5ebca85

99338885 has 4 divisors (see below), whose sum is σ = 119206668. Its totient is φ = 79471104.

The previous prime is 99338879. The next prime is 99338887. The reversal of 99338885 is 58883399.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58883399 = 442313313.

It can be written as a sum of positive squares in 2 ways, for example, as 30813601 + 68525284 = 5551^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 99338885 - 214 = 99322501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99338887) 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, 9933884 + ... + 9933893.

It is an arithmetic number, because the mean of its divisors is an integer number (29801667).

Almost surely, 299338885 is an apocalyptic number.

It is an amenable number.

99338885 is a deficient number, since it is larger than the sum of its proper divisors (19867783).

99338885 is a wasteful number, since it uses less digits than its factorization.

99338885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19867782.

The product of its digits is 1866240, while the sum is 53.

The square root of 99338885 is about 9966.8894345227. The cubic root of 99338885 is about 463.1337462523.

The spelling of 99338885 in words is "ninety-nine million, three hundred thirty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 19867777 99338885