Search a number
-
+
20080344 = 2333722613
BaseRepresentation
bin100110010011…
…0011011011000
31101210012001110
41030212123120
520120032334
61554220320
7332452164
oct114463330
941705043
1020080344
1110375729
1268846a0
134210b7b
142949ca4
151b69ae9
hex13266d8

20080344 has 32 divisors (see below), whose sum is σ = 51559920. Its totient is φ = 6512256.

The previous prime is 20080339. The next prime is 20080373. The reversal of 20080344 is 44308002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20080344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 12194.

Almost surely, 220080344 is an apocalyptic number.

20080344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20080344 is an abundant number, since it is smaller than the sum of its proper divisors (31479576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20080344 is a wasteful number, since it uses less digits than its factorization.

20080344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22659 (or 22655 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20080344 is about 4481.1096839957. The cubic root of 20080344 is about 271.8047546357.

Adding to 20080344 its reverse (44308002), we get a palindrome (64388346).

The spelling of 20080344 in words is "twenty million, eighty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 22613 45226 67839 90452 135678 180904 271356 542712 836681 1673362 2510043 3346724 5020086 6693448 10040172 20080344