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67424083 = 143347051
BaseRepresentation
bin1000000010011…
…00111101010011
311200212111110021
410001030331103
5114230032313
610405044311
71446044446
oct401147523
9150774407
1067424083
1135071791
121a6b6697
1310c7920c
148d5165d
155dbc78d
hex404cf53

67424083 has 4 divisors (see below), whose sum is σ = 67472568. Its totient is φ = 67375600.

The previous prime is 67424069. The next prime is 67424087. The reversal of 67424083 is 38042476.

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

It is a cyclic number.

It is not a de Polignac number, because 67424083 - 213 = 67415891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67424087) 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, 22093 + ... + 24958.

It is an arithmetic number, because the mean of its divisors is an integer number (16868142).

Almost surely, 267424083 is an apocalyptic number.

67424083 is a deficient number, since it is larger than the sum of its proper divisors (48485).

67424083 is a wasteful number, since it uses less digits than its factorization.

67424083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48484.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 67424083 is about 8211.2169012881. The cubic root of 67424083 is about 407.0099404551.

The spelling of 67424083 in words is "sixty-seven million, four hundred twenty-four thousand, eighty-three".

Divisors: 1 1433 47051 67424083