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67468949 is a prime number
BaseRepresentation
bin1000000010101…
…11111010010101
311200221202222222
410001113322111
5114233001244
610410032125
71446322322
oct401277225
9150852888
1067468949
11350a2469
121a718645
1310c93772
148d63b49
155dcabee
hex4057e95

67468949 has 2 divisors, whose sum is σ = 67468950. Its totient is φ = 67468948.

The previous prime is 67468939. The next prime is 67468963. The reversal of 67468949 is 94986476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62694724 + 4774225 = 7918^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 67468949 - 28 = 67468693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67468949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67468939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33734474 + 33734475.

It is an arithmetic number, because the mean of its divisors is an integer number (33734475).

Almost surely, 267468949 is an apocalyptic number.

It is an amenable number.

67468949 is a deficient number, since it is larger than the sum of its proper divisors (1).

67468949 is an equidigital number, since it uses as much as digits as its factorization.

67468949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 67468949 is about 8213.9484415231. The cubic root of 67468949 is about 407.1001992975.

The spelling of 67468949 in words is "sixty-seven million, four hundred sixty-eight thousand, nine hundred forty-nine".