Search a number
-
+
20092312 = 234753437
BaseRepresentation
bin100110010100…
…1010110011000
31101210210110201
41030221112120
520120423222
61554351544
7332532112
oct114512630
941723421
1020092312
1110383719
12688b5b4
134216456
1429503b2
151b6d427
hex1329598

20092312 has 16 divisors (see below), whose sum is σ = 38475360. Its totient is φ = 9832224.

The previous prime is 20092201. The next prime is 20092339. The reversal of 20092312 is 21329002.

It is a happy number.

It is a super-3 number, since 3×200923123 (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20092312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26343 + ... + 27094.

It is an arithmetic number, because the mean of its divisors is an integer number (2404710).

Almost surely, 220092312 is an apocalyptic number.

It is an amenable number.

20092312 is a deficient number, since it is larger than the sum of its proper divisors (18383048).

20092312 is a wasteful number, since it uses less digits than its factorization.

20092312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53490 (or 53486 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20092312 is about 4482.4448685957. Note that the first 3 decimals coincide. The cubic root of 20092312 is about 271.8587429747.

The spelling of 20092312 in words is "twenty million, ninety-two thousand, three hundred twelve".

Divisors: 1 2 4 8 47 94 188 376 53437 106874 213748 427496 2511539 5023078 10046156 20092312