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72827 = 193833
BaseRepresentation
bin10001110001111011
310200220022
4101301323
54312302
61321055
7422216
oct216173
9120808
1072827
114a797
123618b
13271c1
141c77d
15168a2
hex11c7b

72827 has 4 divisors (see below), whose sum is σ = 76680. Its totient is φ = 68976.

The previous prime is 72823. The next prime is 72859.

72827 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 72827 - 22 = 72823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72796 and 72805.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 72827.

It is not an unprimeable number, because it can be changed into a prime (72823) 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, 1898 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (19170).

272827 is an apocalyptic number.

72827 is a deficient number, since it is larger than the sum of its proper divisors (3853).

72827 is a wasteful number, since it uses less digits than its factorization.

72827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852.

The product of its digits is 1568, while the sum is 26.

The square root of 72827 is about 269.8647809552. The cubic root of 72827 is about 41.7603509779.

The spelling of 72827 in words is "seventy-two thousand, eight hundred twenty-seven".

Divisors: 1 19 3833 72827