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68024541 = 3131991801
BaseRepresentation
bin1000000110111…
…11100011011101
311202000000010110
410003133203131
5114403241131
610430000233
71454125164
oct403374335
9152000113
1068024541
1135441932
121a946079
1311129610
14906a3db
155e8a646
hex40df8dd

68024541 has 16 divisors (see below), whose sum is σ = 102818240. Its totient is φ = 39657600.

The previous prime is 68024533. The next prime is 68024543. The reversal of 68024541 is 14542086.

It is not a de Polignac number, because 68024541 - 23 = 68024533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68024499 and 68024508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68024543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45160 + ... + 46641.

It is an arithmetic number, because the mean of its divisors is an integer number (6426140).

Almost surely, 268024541 is an apocalyptic number.

It is an amenable number.

68024541 is a deficient number, since it is larger than the sum of its proper divisors (34793699).

68024541 is a wasteful number, since it uses less digits than its factorization.

68024541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91836.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 68024541 is about 8247.6991336978. The cubic root of 68024541 is about 408.2146061967.

The spelling of 68024541 in words is "sixty-eight million, twenty-four thousand, five hundred forty-one".

Divisors: 1 3 13 19 39 57 247 741 91801 275403 1193413 1744219 3580239 5232657 22674847 68024541