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56706 = 2313727
BaseRepresentation
bin1101110110000010
32212210020
431312002
53303311
61114310
7324216
oct156602
985706
1056706
1139671
1228996
131ca70
1416946
1511c06
hexdd82

56706 has 16 divisors (see below), whose sum is σ = 122304. Its totient is φ = 17424.

The previous prime is 56701. The next prime is 56711. The reversal of 56706 is 60765.

56706 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56701) and next prime (56711).

It is an Ulam number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (56701) by changing a digit.

56706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (7644).

256706 is an apocalyptic number.

56706 is an abundant number, since it is smaller than the sum of its proper divisors (65598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61152).

56706 is a wasteful number, since it uses less digits than its factorization.

56706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 56706 is about 238.1302164783. The cubic root of 56706 is about 38.4187300121.

The spelling of 56706 in words is "fifty-six thousand, seven hundred six".

Divisors: 1 2 3 6 13 26 39 78 727 1454 2181 4362 9451 18902 28353 56706