Search a number
-
+
20058445 = 511364699
BaseRepresentation
bin100110010000…
…1000101001101
31101202002000101
41030201011031
520113332240
61553531101
7332331301
oct114410515
941662011
1020058445
1110360230
126873a91
134203c04
142941d01
151b6339a
hex132114d

20058445 has 8 divisors (see below), whose sum is σ = 26258400. Its totient is φ = 14587920.

The previous prime is 20058443. The next prime is 20058449. The reversal of 20058445 is 54485002.

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

It is not a de Polignac number, because 20058445 - 21 = 20058443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058443) 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, 182295 + ... + 182404.

It is an arithmetic number, because the mean of its divisors is an integer number (3282300).

Almost surely, 220058445 is an apocalyptic number.

It is an amenable number.

20058445 is a deficient number, since it is larger than the sum of its proper divisors (6199955).

20058445 is a wasteful number, since it uses less digits than its factorization.

20058445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364715.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 20058445 is about 4478.6655378583. The cubic root of 20058445 is about 271.7059114185.

It can be divided in two parts, 20058 and 445, that added together give a triangular number (20503 = T202).

The spelling of 20058445 in words is "twenty million, fifty-eight thousand, four hundred forty-five".

Divisors: 1 5 11 55 364699 1823495 4011689 20058445