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68267241 = 3272283547
BaseRepresentation
bin1000001000110…
…10110011101001
311202110100001100
410010122303221
5114434022431
610435112013
71456155600
oct404326351
9152410040
1068267241
1135598209
121aa42609
13111b2c23
1490d0a37
155ed74e6
hex411ace9

68267241 has 36 divisors (see below), whose sum is σ = 115323312. Its totient is φ = 38800944.

The previous prime is 68267203. The next prime is 68267249. The reversal of 68267241 is 14276286.

It is not a de Polignac number, because 68267241 - 213 = 68259049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68267196 and 68267205.

It is not an unprimeable number, because it can be changed into a prime (68267249) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 124530 + ... + 125076.

Almost surely, 268267241 is an apocalyptic number.

It is an amenable number.

68267241 is a deficient number, since it is larger than the sum of its proper divisors (47056071).

68267241 is a wasteful number, since it uses less digits than its factorization.

68267241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 840 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 68267241 is about 8262.3992278272. The cubic root of 68267241 is about 408.6995100782.

The spelling of 68267241 in words is "sixty-eight million, two hundred sixty-seven thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 49 63 147 283 441 547 849 1641 1981 2547 3829 4923 5943 11487 13867 17829 26803 34461 41601 80409 124803 154801 241227 464403 1083607 1393209 3250821 7585249 9752463 22755747 68267241