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20137082 = 2713710499
BaseRepresentation
bin100110011010…
…0010001111010
31101220001212212
41030310101322
520123341312
61555335122
7333106460
oct114642172
941801785
1020137082
1110404319
1268b14a2
134230944
142962830
151b7b822
hex133447a

20137082 has 16 divisors (see below), whose sum is σ = 34776000. Its totient is φ = 8566368.

The previous prime is 20137081. The next prime is 20137087. The reversal of 20137082 is 28073102.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20137081) 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, 3332 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (2173500).

Almost surely, 220137082 is an apocalyptic number.

20137082 is a deficient number, since it is larger than the sum of its proper divisors (14638918).

20137082 is a wasteful number, since it uses less digits than its factorization.

20137082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20137082 is about 4487.4360162569. The cubic root of 20137082 is about 272.0605131367.

The spelling of 20137082 in words is "twenty million, one hundred thirty-seven thousand, eighty-two".

Divisors: 1 2 7 14 137 274 959 1918 10499 20998 73493 146986 1438363 2876726 10068541 20137082