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68574 = 23111039
BaseRepresentation
bin10000101111011110
310111001210
4100233132
54143244
61245250
7403632
oct205736
9114053
1068574
1147580
1233826
132529c
141adc2
15154b9
hex10bde

68574 has 16 divisors (see below), whose sum is σ = 149760. Its totient is φ = 20760.

The previous prime is 68567. The next prime is 68581. The reversal of 68574 is 47586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68567) and next prime (68581).

It is a d-powerful number, because it can be written as 66 + 8 + 55 + 74 + 47 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (9360).

268574 is an apocalyptic number.

68574 is an abundant number, since it is smaller than the sum of its proper divisors (81186).

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 (74880).

68574 is a wasteful number, since it uses less digits than its factorization.

68574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its digits is 6720, while the sum is 30.

The square root of 68574 is about 261.8663781397. The cubic root of 68574 is about 40.9310759494.

The spelling of 68574 in words is "sixty-eight thousand, five hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 1039 2078 3117 6234 11429 22858 34287 68574