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36269729 = 149243421
BaseRepresentation
bin1000101001011…
…0111010100001
32112020200201022
42022112322201
533241112404
63333215225
7620200436
oct212267241
975220638
1036269729
1119522a91
1210191515
13768b9a2
144b61b8d
1532b68be
hex2296ea1

36269729 has 4 divisors (see below), whose sum is σ = 36513300. Its totient is φ = 36026160.

The previous prime is 36269693. The next prime is 36269743. The reversal of 36269729 is 92796263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18190225 + 18079504 = 4265^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 36269729 - 216 = 36204193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36269729.

It is not an unprimeable number, because it can be changed into a prime (36269329) 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, 121562 + ... + 121859.

It is an arithmetic number, because the mean of its divisors is an integer number (9128325).

Almost surely, 236269729 is an apocalyptic number.

It is an amenable number.

36269729 is a deficient number, since it is larger than the sum of its proper divisors (243571).

36269729 is a wasteful number, since it uses less digits than its factorization.

36269729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243570.

The product of its digits is 244944, while the sum is 44.

The square root of 36269729 is about 6022.4354708041. The cubic root of 36269729 is about 331.0153271289.

The spelling of 36269729 in words is "thirty-six million, two hundred sixty-nine thousand, seven hundred twenty-nine".

Divisors: 1 149 243421 36269729