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67300745 = 513460149
BaseRepresentation
bin1000000001011…
…10110110001001
311200122020021012
410000232312021
5114212110440
610402253305
71445022041
oct400566611
9150566235
1067300745
1134a98056
121a657235
1310c35035
148d1c721
155d95e65
hex402ed89

67300745 has 4 divisors (see below), whose sum is σ = 80760900. Its totient is φ = 53840592.

The previous prime is 67300741. The next prime is 67300759. The reversal of 67300745 is 54700376.

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 48888064 + 18412681 = 6992^2 + 4291^2 .

It is a cyclic number.

It is not a de Polignac number, because 67300745 - 22 = 67300741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67300741) 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, 6730070 + ... + 6730079.

It is an arithmetic number, because the mean of its divisors is an integer number (20190225).

Almost surely, 267300745 is an apocalyptic number.

It is an amenable number.

67300745 is a deficient number, since it is larger than the sum of its proper divisors (13460155).

67300745 is a wasteful number, since it uses less digits than its factorization.

67300745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460154.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 67300745 is about 8203.7031272469. The cubic root of 67300745 is about 406.7616096368.

The spelling of 67300745 in words is "sixty-seven million, three hundred thousand, seven hundred forty-five".

Divisors: 1 5 13460149 67300745