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68552 = 23111941
BaseRepresentation
bin10000101111001000
310111000222
4100233020
54143202
61245212
7403601
oct205710
9114028
1068552
1147560
1233808
1325283
141ada8
15154a2
hex10bc8

68552 has 32 divisors (see below), whose sum is σ = 151200. Its totient is φ = 28800.

The previous prime is 68543. The next prime is 68567. The reversal of 68552 is 25586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652 + ... + 1692.

It is an arithmetic number, because the mean of its divisors is an integer number (4725).

268552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75600).

68552 is an abundant number, since it is smaller than the sum of its proper divisors (82648).

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

68552 is a wasteful number, since it uses less digits than its factorization.

68552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 73 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 68552 is about 261.8243686138. The cubic root of 68552 is about 40.9266982942.

It can be divided in two parts, 685 and 52, that added together give a palindrome (737).

The spelling of 68552 in words is "sixty-eight thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 19 22 38 41 44 76 82 88 152 164 209 328 418 451 779 836 902 1558 1672 1804 3116 3608 6232 8569 17138 34276 68552