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20536058 = 212498221
BaseRepresentation
bin100111001010…
…1101011111010
31102122100011202
41032111223322
520224123213
62012054202
7336360614
oct116255372
942570152
1020536058
1110657054
126a64362
13434041a
142a27db4
151c09b58
hex1395afa

20536058 has 8 divisors (see below), whose sum is σ = 30832500. Its totient is φ = 10258560.

The previous prime is 20536057. The next prime is 20536063. The reversal of 20536058 is 85063502.

It can be written as a sum of positive squares in 2 ways, for example, as 19509889 + 1026169 = 4417^2 + 1013^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20536058.

It is not an unprimeable number, because it can be changed into a prime (20536057) 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, 1613 + ... + 6608.

Almost surely, 220536058 is an apocalyptic number.

20536058 is a deficient number, since it is larger than the sum of its proper divisors (10296442).

20536058 is a wasteful number, since it uses less digits than its factorization.

20536058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 20536058 is about 4531.6727595889. The cubic root of 20536058 is about 273.8455538210.

It can be divided in two parts, 205 and 36058, that added together give a palindrome (36263).

The spelling of 20536058 in words is "twenty million, five hundred thirty-six thousand, fifty-eight".

Divisors: 1 2 1249 2498 8221 16442 10268029 20536058