Search a number
-
+
12020093 = 41293173
BaseRepresentation
bin101101110110…
…100101111101
3211121200110122
4231312211331
511034120333
61105344325
7204112001
oct55664575
924550418
1012020093
11686a968
1240380a5
13264b1a7
14184c701
1510c6798
hexb7697d

12020093 has 4 divisors (see below), whose sum is σ = 12313308. Its totient is φ = 11726880.

The previous prime is 12020083. The next prime is 12020119. The reversal of 12020093 is 39002021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39002021 = 337115733.

It can be written as a sum of positive squares in 2 ways, for example, as 582169 + 11437924 = 763^2 + 3382^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020093 - 210 = 12019069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020083) 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, 146546 + ... + 146627.

It is an arithmetic number, because the mean of its divisors is an integer number (3078327).

Almost surely, 212020093 is an apocalyptic number.

It is an amenable number.

12020093 is a deficient number, since it is larger than the sum of its proper divisors (293215).

12020093 is an equidigital number, since it uses as much as digits as its factorization.

12020093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293214.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12020093 is about 3467.0005768676. Note that the first 3 decimals coincide. The cubic root of 12020093 is about 229.0705591640.

The spelling of 12020093 in words is "twelve million, twenty thousand, ninety-three".

Divisors: 1 41 293173 12020093