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1980067 is a prime number
BaseRepresentation
bin111100011011010100011
310201121010211
413203122203
51001330232
6110234551
722554535
oct7433243
93647124
101980067
111132721
127b5a57
1354434b
14397855
15291a47
hex1e36a3

1980067 has 2 divisors, whose sum is σ = 1980068. Its totient is φ = 1980066.

The previous prime is 1980053. The next prime is 1980073. The reversal of 1980067 is 7600891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1980067 is a prime.

It is a super-4 number, since 4×19800674 (a number of 26 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1980367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990033 + 990034.

It is an arithmetic number, because the mean of its divisors is an integer number (990034).

21980067 is an apocalyptic number.

1980067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980067 is an equidigital number, since it uses as much as digits as its factorization.

1980067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 1980067 is about 1407.1485351590. The cubic root of 1980067 is about 125.5721399185.

The spelling of 1980067 in words is "one million, nine hundred eighty thousand, sixty-seven".