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68297611 = 461148151
BaseRepresentation
bin1000001001000…
…10001110001011
311202111212201011
410010202032023
5114441010421
610435504351
71456343254
oct404421613
9152455634
1068297611
1135609008
121aa580b7
13111c39b5
1490dbb2b
155ee14e1
hex412238b

68297611 has 4 divisors (see below), whose sum is σ = 68446224. Its totient is φ = 68149000.

The previous prime is 68297587. The next prime is 68297617. The reversal of 68297611 is 11679286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68297611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68297617) 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, 73615 + ... + 74536.

It is an arithmetic number, because the mean of its divisors is an integer number (17111556).

Almost surely, 268297611 is an apocalyptic number.

68297611 is a deficient number, since it is larger than the sum of its proper divisors (148613).

68297611 is a wasteful number, since it uses less digits than its factorization.

68297611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148612.

The product of its digits is 36288, while the sum is 40.

The square root of 68297611 is about 8264.2368673702. The cubic root of 68297611 is about 408.7601070487.

The spelling of 68297611 in words is "sixty-eight million, two hundred ninety-seven thousand, six hundred eleven".

Divisors: 1 461 148151 68297611