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67313401 is a prime number
BaseRepresentation
bin1000000001100…
…01111011111001
311200122212121221
410000301323321
5114213012101
610402432041
71445103661
oct400617371
9150585557
1067313401
1134aa6611
121a662621
1310c3aa1c
148d231a1
155d99aa1
hex4031ef9

67313401 has 2 divisors, whose sum is σ = 67313402. Its totient is φ = 67313400.

The previous prime is 67313381. The next prime is 67313413. The reversal of 67313401 is 10431376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 12257001 = 7420^2 + 3501^2 .

It is a cyclic number.

It is not a de Polignac number, because 67313401 - 211 = 67311353 is a prime.

It is not a weakly prime, because it can be changed into another prime (67313461) 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, 33656700 + 33656701.

It is an arithmetic number, because the mean of its divisors is an integer number (33656701).

Almost surely, 267313401 is an apocalyptic number.

It is an amenable number.

67313401 is a deficient number, since it is larger than the sum of its proper divisors (1).

67313401 is an equidigital number, since it uses as much as digits as its factorization.

67313401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 67313401 is about 8204.4744499572. The cubic root of 67313401 is about 406.7871054034.

Adding to 67313401 its reverse (10431376), we get a palindrome (77744777).

The spelling of 67313401 in words is "sixty-seven million, three hundred thirteen thousand, four hundred one".