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20652074 = 213017937
BaseRepresentation
bin100111011001…
…0000000101010
31102212020022122
41032302000222
520241331244
62014351242
7340353062
oct116620052
942766278
1020652074
1110726233
126abb522
134381181
142a583a2
151c2e1ee
hex13b202a

20652074 has 8 divisors (see below), whose sum is σ = 31005828. Its totient is φ = 10316800.

The previous prime is 20652043. The next prime is 20652077. The reversal of 20652074 is 47025602.

It can be written as a sum of positive squares in 2 ways, for example, as 20638849 + 13225 = 4543^2 + 115^2 .

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 (20652077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367 + ... + 6570.

Almost surely, 220652074 is an apocalyptic number.

20652074 is a deficient number, since it is larger than the sum of its proper divisors (10353754).

20652074 is a wasteful number, since it uses less digits than its factorization.

20652074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20652074 is about 4544.4553028938. The cubic root of 20652074 is about 274.3602716412.

Adding to 20652074 its reverse (47025602), we get a palindrome (67677676).

The spelling of 20652074 in words is "twenty million, six hundred fifty-two thousand, seventy-four".

Divisors: 1 2 1301 2602 7937 15874 10326037 20652074