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36493985 = 51117231697
BaseRepresentation
bin1000101100110…
…1101010100001
32112200002100002
42023031222201
533320301420
63342105345
7622123313
oct213155241
975602302
1036493985
1119666520
121027b255
137739a98
144bbd7b3
15330d075
hex22cdaa1

36493985 has 32 divisors (see below), whose sum is σ = 52814592. Its totient is φ = 23879680.

The previous prime is 36493981. The next prime is 36493987. The reversal of 36493985 is 58939463.

It is not a de Polignac number, because 36493985 - 22 = 36493981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36493981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20657 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (1650456).

Almost surely, 236493985 is an apocalyptic number.

It is an amenable number.

36493985 is a deficient number, since it is larger than the sum of its proper divisors (16320607).

36493985 is a wasteful number, since it uses less digits than its factorization.

36493985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 699840, while the sum is 47.

The square root of 36493985 is about 6041.0251613447. The cubic root of 36493985 is about 331.6961492721.

It can be divided in two parts, 364 and 93985, that added together give a palindrome (94349).

The spelling of 36493985 in words is "thirty-six million, four hundred ninety-three thousand, nine hundred eighty-five".

Divisors: 1 5 11 17 23 55 85 115 187 253 391 935 1265 1697 1955 4301 8485 18667 21505 28849 39031 93335 144245 195155 317339 429341 663527 1586695 2146705 3317635 7298797 36493985