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20737082 = 211391757
BaseRepresentation
bin100111100011…
…0110000111010
31110000112221002
41033012300322
520302041312
62020245002
7341155652
oct117066072
943015832
1020737082
1110784093
126b40762
1343b0a82
142a7b362
151c494c2
hex13c6c3a

20737082 has 8 divisors (see below), whose sum is σ = 31381236. Its totient is φ = 10276672.

The previous prime is 20737081. The next prime is 20737091. The reversal of 20737082 is 28073702.

It can be written as a sum of positive squares in 2 ways, for example, as 20693401 + 43681 = 4549^2 + 209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20737081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45653 + ... + 46104.

Almost surely, 220737082 is an apocalyptic number.

20737082 is a deficient number, since it is larger than the sum of its proper divisors (10644154).

20737082 is a wasteful number, since it uses less digits than its factorization.

20737082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91872.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 20737082 is about 4553.7986341076. The cubic root of 20737082 is about 274.7361966050.

The spelling of 20737082 in words is "twenty million, seven hundred thirty-seven thousand, eighty-two".

Divisors: 1 2 113 226 91757 183514 10368541 20737082