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68632 = 2323373
BaseRepresentation
bin10000110000011000
310111010221
4100300120
54144012
61245424
7404044
oct206030
9114127
1068632
1147623
1233874
1325315
141b024
1515507
hex10c18

68632 has 16 divisors (see below), whose sum is σ = 134640. Its totient is φ = 32736.

The previous prime is 68611. The next prime is 68633. The reversal of 68632 is 23686.

It is a junction number, because it is equal to n+sod(n) for n = 68597 and 68606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68633) by changing a digit.

68632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3 + ... + 370.

It is an arithmetic number, because the mean of its divisors is an integer number (8415).

268632 is an apocalyptic number.

It is an amenable number.

68632 is a deficient number, since it is larger than the sum of its proper divisors (66008).

68632 is a wasteful number, since it uses less digits than its factorization.

68632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 398 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 68632 is about 261.9770982357. The cubic root of 68632 is about 40.9426125542.

It can be divided in two parts, 686 and 32, that multiplied together give a cube (21952 = 283).

The spelling of 68632 in words is "sixty-eight thousand, six hundred thirty-two".

Divisors: 1 2 4 8 23 46 92 184 373 746 1492 2984 8579 17158 34316 68632