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67080631 is a prime number
BaseRepresentation
bin1111111111100…
…1000110110111
311200020001022211
43333321012313
5114133040011
610353434251
71443114232
oct377710667
9150201284
1067080631
1134957742
121a56b987
1310b88aa7
148ca2419
155d50b21
hex3ff91b7

67080631 has 2 divisors, whose sum is σ = 67080632. Its totient is φ = 67080630.

The previous prime is 67080557. The next prime is 67080647. The reversal of 67080631 is 13608076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67080631 - 215 = 67047863 is a prime.

It is a super-2 number, since 2×670806312 = 8999622110716322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67080593 and 67080602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67080031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33540315 + 33540316.

It is an arithmetic number, because the mean of its divisors is an integer number (33540316).

Almost surely, 267080631 is an apocalyptic number.

67080631 is a deficient number, since it is larger than the sum of its proper divisors (1).

67080631 is an equidigital number, since it uses as much as digits as its factorization.

67080631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 67080631 is about 8190.2766131554. The cubic root of 67080631 is about 406.3176734285.

The spelling of 67080631 in words is "sixty-seven million, eighty thousand, six hundred thirty-one".