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36474561 = 3210937181
BaseRepresentation
bin1000101100100…
…0111011000001
32112122002200200
42023020323001
533314141221
63341435413
7622012554
oct213107301
975562620
1036474561
1119652972
121026bb69
137730ca6
144bb669b
153307426
hex22c8ec1

36474561 has 12 divisors (see below), whose sum is σ = 53170260. Its totient is φ = 24092640.

The previous prime is 36474553. The next prime is 36474583. The reversal of 36474561 is 16547463.

It is a happy number.

36474561 is a `hidden beast` number, since 3 + 647 + 4 + 5 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 18147600 = 4281^2 + 4260^2 .

It is not a de Polignac number, because 36474561 - 23 = 36474553 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (36470561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17610 + ... + 19571.

It is an arithmetic number, because the mean of its divisors is an integer number (4430855).

Almost surely, 236474561 is an apocalyptic number.

It is an amenable number.

36474561 is a deficient number, since it is larger than the sum of its proper divisors (16695699).

36474561 is a wasteful number, since it uses less digits than its factorization.

36474561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37296 (or 37293 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 36474561 is about 6039.4172732144. The cubic root of 36474561 is about 331.6372901713.

The spelling of 36474561 in words is "thirty-six million, four hundred seventy-four thousand, five hundred sixty-one".

Divisors: 1 3 9 109 327 981 37181 111543 334629 4052729 12158187 36474561