Search a number
-
+
20118039 = 3311371579
BaseRepresentation
bin100110010111…
…1101000010111
31101212002202120
41030233220113
520122234124
61555111023
7333000114
oct114575027
941762676
1020118039
11103a0a87
1268a2473
134225086
14295990b
151b75d79
hex132fa17

20118039 has 16 divisors (see below), whose sum is σ = 27909120. Its totient is φ = 12876480.

The previous prime is 20118037. The next prime is 20118041. The reversal of 20118039 is 93081102.

It is an interprime number because it is at equal distance from previous prime (20118037) and next prime (20118041).

It is not a de Polignac number, because 20118039 - 21 = 20118037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20118037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11952 + ... + 13530.

It is an arithmetic number, because the mean of its divisors is an integer number (1744320).

Almost surely, 220118039 is an apocalyptic number.

20118039 is a deficient number, since it is larger than the sum of its proper divisors (7791081).

20118039 is a wasteful number, since it uses less digits than its factorization.

20118039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 20118039 is about 4485.3137014037. The cubic root of 20118039 is about 271.9747264219.

The spelling of 20118039 in words is "twenty million, one hundred eighteen thousand, thirty-nine".

Divisors: 1 3 31 93 137 411 1579 4247 4737 12741 48949 146847 216323 648969 6706013 20118039