Search a number
-
+
20342341 = 37619013
BaseRepresentation
bin100110110011…
…0011001000101
31102021111110001
41031212121011
520201423331
62004001301
7334623055
oct115463105
942244401
1020342341
1110534558
126990231
1342a31b6
1429b7565
151bbc561
hex1366645

20342341 has 8 divisors (see below), whose sum is σ = 21236984. Its totient is φ = 19465920.

The previous prime is 20342317. The next prime is 20342347. The reversal of 20342341 is 14324302.

It can be written as a sum of positive squares in 4 ways, for example, as 1766241 + 18576100 = 1329^2 + 4310^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20342341 - 27 = 20342213 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 (20342347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2250 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (2654623).

Almost surely, 220342341 is an apocalyptic number.

It is an amenable number.

20342341 is a deficient number, since it is larger than the sum of its proper divisors (894643).

20342341 is an equidigital number, since it uses as much as digits as its factorization.

20342341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20342341 is about 4510.2484410507. The cubic root of 20342341 is about 272.9817687423.

Adding to 20342341 its reverse (14324302), we get a palindrome (34666643).

The spelling of 20342341 in words is "twenty million, three hundred forty-two thousand, three hundred forty-one".

Divisors: 1 37 61 2257 9013 333481 549793 20342341