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67316489 = 611103549
BaseRepresentation
bin1000000001100…
…10101100001001
311200200000212022
410000302230021
5114213111424
610402454225
71445115662
oct400625411
9150600768
1067316489
1134aa8969
121a664375
1310c3c256
148d24369
155d9a95e
hex4032b09

67316489 has 4 divisors (see below), whose sum is σ = 68420100. Its totient is φ = 66212880.

The previous prime is 67316479. The next prime is 67316497. The reversal of 67316489 is 98461376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7795264 + 59521225 = 2792^2 + 7715^2 .

It is a cyclic number.

It is not a de Polignac number, because 67316489 - 28 = 67316233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67316479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551714 + ... + 551835.

It is an arithmetic number, because the mean of its divisors is an integer number (17105025).

Almost surely, 267316489 is an apocalyptic number.

It is an amenable number.

67316489 is a deficient number, since it is larger than the sum of its proper divisors (1103611).

67316489 is a wasteful number, since it uses less digits than its factorization.

67316489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103610.

The product of its digits is 217728, while the sum is 44.

The square root of 67316489 is about 8204.6626377932. The cubic root of 67316489 is about 406.7933257565.

The spelling of 67316489 in words is "sixty-seven million, three hundred sixteen thousand, four hundred eighty-nine".

Divisors: 1 61 1103549 67316489