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67316443 = 251269997
BaseRepresentation
bin1000000001100…
…10101011011011
311200200000210121
410000302223123
5114213111233
610402454111
71445115565
oct400625333
9150600717
1067316443
1134aa8927
121a664337
1310c3c21c
148d24335
155d9a92d
hex4032adb

67316443 has 8 divisors (see below), whose sum is σ = 67903920. Its totient is φ = 66732000.

The previous prime is 67316437. The next prime is 67316467. The reversal of 67316443 is 34461376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67316443 - 225 = 33762011 is a prime.

It is a super-5 number, since 5×673164435 (a number of 40 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67316399 and 67316408.

It is not an unprimeable number, because it can be changed into a prime (67316143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67021 + ... + 68017.

It is an arithmetic number, because the mean of its divisors is an integer number (8487990).

Almost surely, 267316443 is an apocalyptic number.

67316443 is a deficient number, since it is larger than the sum of its proper divisors (587477).

67316443 is a wasteful number, since it uses less digits than its factorization.

67316443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its digits is 36288, while the sum is 34.

The square root of 67316443 is about 8204.6598345087. The cubic root of 67316443 is about 406.7932330972.

The spelling of 67316443 in words is "sixty-seven million, three hundred sixteen thousand, four hundred forty-three".

Divisors: 1 251 269 997 67519 250247 268193 67316443