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36491 = 713401
BaseRepresentation
bin1000111010001011
31212001112
420322023
52131431
6440535
7211250
oct107213
955045
1036491
1125464
121914b
13137c0
14d427
15ac2b
hex8e8b

36491 has 8 divisors (see below), whose sum is σ = 45024. Its totient is φ = 28800.

The previous prime is 36479. The next prime is 36493. The reversal of 36491 is 19463.

It can be divided in two parts, 364 and 91, that multiplied together give a square (33124 = 1822).

36491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 36491 - 214 = 20107 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36491.

It is not an unprimeable number, because it can be changed into a prime (36493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 291.

It is an arithmetic number, because the mean of its divisors is an integer number (5628).

236491 is an apocalyptic number.

36491 is a deficient number, since it is larger than the sum of its proper divisors (8533).

36491 is a wasteful number, since it uses less digits than its factorization.

36491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its digits is 648, while the sum is 23.

The square root of 36491 is about 191.0261762168. The cubic root of 36491 is about 33.1687105407.

The spelling of 36491 in words is "thirty-six thousand, four hundred ninety-one".

Divisors: 1 7 13 91 401 2807 5213 36491