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68894 = 2721937
BaseRepresentation
bin10000110100011110
310111111122
4100310132
54201034
61250542
7404600
oct206436
9114448
1068894
1147841
1233a52
1325487
141b170
151562e
hex10d1e

68894 has 24 divisors (see below), whose sum is σ = 129960. Its totient is φ = 27216.

The previous prime is 68891. The next prime is 68897. The reversal of 68894 is 49886.

It is an interprime number because it is at equal distance from previous prime (68891) and next prime (68897).

It is an Ulam number.

Its product of digits (13824) is a multiple of the sum of its prime factors (72).

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844 + ... + 1880.

It is an arithmetic number, because the mean of its divisors is an integer number (5415).

268894 is an apocalyptic number.

68894 is a deficient number, since it is larger than the sum of its proper divisors (61066).

68894 is a wasteful number, since it uses less digits than its factorization.

68894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 65 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 68894 is about 262.4766656295. The cubic root of 68894 is about 40.9946453447.

It can be divided in two parts, 6889 and 4, that multiplied together give a square (27556 = 1662).

The spelling of 68894 in words is "sixty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 19 37 38 49 74 98 133 259 266 518 703 931 1406 1813 1862 3626 4921 9842 34447 68894