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56189 = 723349
BaseRepresentation
bin1101101101111101
32212002002
431231331
53244224
61112045
7322550
oct155575
985062
1056189
1139241
1228625
131c763
1416697
15119ae
hexdb7d

56189 has 8 divisors (see below), whose sum is σ = 67200. Its totient is φ = 45936.

The previous prime is 56179. The next prime is 56197. The reversal of 56189 is 98165.

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 56189 - 28 = 55933 is a prime.

It is an alternating number because its digits alternate between odd and even.

56189 is a modest number, since divided by 189 gives 56 as remainder.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 56189.

It is not an unprimeable number, because it can be changed into a prime (56149) 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, 14 + ... + 335.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

256189 is an apocalyptic number.

It is an amenable number.

56189 is a deficient number, since it is larger than the sum of its proper divisors (11011).

56189 is a wasteful number, since it uses less digits than its factorization.

56189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 2160, while the sum is 29.

The square root of 56189 is about 237.0421903375. The cubic root of 56189 is about 38.3016162766.

The spelling of 56189 in words is "fifty-six thousand, one hundred eighty-nine".

Divisors: 1 7 23 161 349 2443 8027 56189