Search a number
-
+
18458053 = 1011271439
BaseRepresentation
bin100011001101…
…0010111000101
31021201202200121
41012122113011
514211124203
61455341541
7312614365
oct106322705
937652617
1018458053
11a467899
1262218b1
133a93633
1426469a5
1519490bd
hex119a5c5

18458053 has 8 divisors (see below), whose sum is σ = 18800640. Its totient is φ = 18118800.

The previous prime is 18458023. The next prime is 18458057. The reversal of 18458053 is 35085481.

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 18458053 - 29 = 18457541 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 (18458057) 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, 12108 + ... + 13546.

It is an arithmetic number, because the mean of its divisors is an integer number (2350080).

Almost surely, 218458053 is an apocalyptic number.

It is an amenable number.

18458053 is a deficient number, since it is larger than the sum of its proper divisors (342587).

18458053 is a wasteful number, since it uses less digits than its factorization.

18458053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 18458053 is about 4296.2836265777. The cubic root of 18458053 is about 264.2785789440.

The spelling of 18458053 in words is "eighteen million, four hundred fifty-eight thousand, fifty-three".

Divisors: 1 101 127 1439 12827 145339 182753 18458053