Search a number
-
+
20092429 = 76742841
BaseRepresentation
bin100110010100…
…1011000001101
31101210210122001
41030221120031
520120424204
61554352301
7332532340
oct114513015
941723561
1020092429
1110383815
12688b691
134216516
142950457
151b6d4a4
hex132960d

20092429 has 8 divisors (see below), whose sum is σ = 23306048. Its totient is φ = 16964640.

The previous prime is 20092427. The next prime is 20092439. The reversal of 20092429 is 92429002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20092429 - 21 = 20092427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20092397 and 20092406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20952 + ... + 21889.

It is an arithmetic number, because the mean of its divisors is an integer number (2913256).

Almost surely, 220092429 is an apocalyptic number.

It is an amenable number.

20092429 is a deficient number, since it is larger than the sum of its proper divisors (3213619).

20092429 is an equidigital number, since it uses as much as digits as its factorization.

20092429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42915.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20092429 is about 4482.4579194902. The cubic root of 20092429 is about 271.8592706626.

It can be divided in two parts, 200 and 92429, that added together give a palindrome (92629).

The spelling of 20092429 in words is "twenty million, ninety-two thousand, four hundred twenty-nine".

Divisors: 1 7 67 469 42841 299887 2870347 20092429