Search a number
-
+
99999093 = 333333031
BaseRepresentation
bin1011111010111…
…01110101110101
320222011110222010
411331131311311
5201044432333
613531154433
72322656355
oct575356565
9228143863
1099999093
11514a0887
12295a5a19
131794327c
14d3d0b65
158ba4563
hex5f5dd75

99999093 has 4 divisors (see below), whose sum is σ = 133332128. Its totient is φ = 66666060.

The previous prime is 99999089. The next prime is 99999103. The reversal of 99999093 is 39099999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39099999 = 313033333.

It is not a de Polignac number, because 99999093 - 22 = 99999089 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 (99999043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16666513 + ... + 16666518.

It is an arithmetic number, because the mean of its divisors is an integer number (33333032).

Almost surely, 299999093 is an apocalyptic number.

It is an amenable number.

99999093 is a deficient number, since it is larger than the sum of its proper divisors (33333035).

99999093 is a wasteful number, since it uses less digits than its factorization.

99999093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333034.

The product of its (nonzero) digits is 1594323, while the sum is 57.

The square root of 99999093 is about 9999.9546498972. The cubic root of 99999093 is about 464.1574800500.

The spelling of 99999093 in words is "ninety-nine million, nine hundred ninety-nine thousand, ninety-three".

Divisors: 1 3 33333031 99999093