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67423489 = 75922767
BaseRepresentation
bin1000000010011…
…00110100000001
311200212110122021
410001030310001
5114230022424
610405041441
71446042640
oct401146401
9150773567
1067423489
11350712a1
121a6b6281
1310c78b73
148d51357
155dbc4e4
hex404cd01

67423489 has 12 divisors (see below), whose sum is σ = 78411904. Its totient is φ = 56791512.

The previous prime is 67423487. The next prime is 67423501. The reversal of 67423489 is 98432476.

It is not a de Polignac number, because 67423489 - 21 = 67423487 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67423487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22984 + ... + 25750.

Almost surely, 267423489 is an apocalyptic number.

It is an amenable number.

67423489 is a deficient number, since it is larger than the sum of its proper divisors (10988415).

67423489 is an equidigital number, since it uses as much as digits as its factorization.

67423489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2833 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 67423489 is about 8211.1807311738. The cubic root of 67423489 is about 407.0087452115.

The spelling of 67423489 in words is "sixty-seven million, four hundred twenty-three thousand, four hundred eighty-nine".

Divisors: 1 7 59 413 2767 3481 19369 24367 163253 1142771 9631927 67423489