Search a number
-
+
20059319 = 72865617
BaseRepresentation
bin100110010000…
…1010010110111
31101202010012202
41030201102313
520113344234
61553535115
7332333660
oct114412267
941663182
1020059319
1110360955
12687449b
134204427
142942367
151b6377e
hex13214b7

20059319 has 4 divisors (see below), whose sum is σ = 22924944. Its totient is φ = 17193696.

The previous prime is 20059279. The next prime is 20059321. The reversal of 20059319 is 91395002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20059319 is a prime.

It is a super-2 number, since 2×200593192 = 804752557487522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20059291 and 20059300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059349) 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, 1432802 + ... + 1432815.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 220059319 is an apocalyptic number.

20059319 is a deficient number, since it is larger than the sum of its proper divisors (2865625).

20059319 is an equidigital number, since it uses as much as digits as its factorization.

20059319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865624.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 20059319 is about 4478.7631105027. The cubic root of 20059319 is about 271.7098576785.

The spelling of 20059319 in words is "twenty million, fifty-nine thousand, three hundred nineteen".

Divisors: 1 7 2865617 20059319