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67714693 = 233290621
BaseRepresentation
bin1000000100100…
…11111010000101
311201102021002121
410002103322011
5114313332233
610415205541
71451364634
oct402237205
9151367077
1067714693
1135250062
121a8168b1
131104b587
148dc951b
155e2892d
hex4093e85

67714693 has 4 divisors (see below), whose sum is σ = 68005548. Its totient is φ = 67423840.

The previous prime is 67714679. The next prime is 67714709. The reversal of 67714693 is 39641776.

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 47983329 + 19731364 = 6927^2 + 4442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67714693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67714643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145078 + ... + 145543.

It is an arithmetic number, because the mean of its divisors is an integer number (17001387).

Almost surely, 267714693 is an apocalyptic number.

It is an amenable number.

67714693 is a deficient number, since it is larger than the sum of its proper divisors (290855).

67714693 is a wasteful number, since it uses less digits than its factorization.

67714693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290854.

The product of its digits is 190512, while the sum is 43.

The square root of 67714693 is about 8228.8937895686. The cubic root of 67714693 is about 407.5938644852.

The spelling of 67714693 in words is "sixty-seven million, seven hundred fourteen thousand, six hundred ninety-three".

Divisors: 1 233 290621 67714693