Search a number
-
+
80422919 is a prime number
BaseRepresentation
bin1001100101100…
…10100000000111
312121022220111122
410302302200013
5131042013134
611551424155
71664404103
oct462624007
9177286448
1080422919
114143aa25
1222b2505b
131387aa35
14a976903
1570d902e
hex4cb2807

80422919 has 2 divisors, whose sum is σ = 80422920. Its totient is φ = 80422918.

The previous prime is 80422873. The next prime is 80422939. The reversal of 80422919 is 91922408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80422919 - 216 = 80357383 is a prime.

It is a super-2 number, since 2×804229192 = 12935691800961122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80422939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40211459 + 40211460.

It is an arithmetic number, because the mean of its divisors is an integer number (40211460).

Almost surely, 280422919 is an apocalyptic number.

80422919 is a deficient number, since it is larger than the sum of its proper divisors (1).

80422919 is an equidigital number, since it uses as much as digits as its factorization.

80422919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 80422919 is about 8967.8826375015. The cubic root of 80422919 is about 431.6448967288.

The spelling of 80422919 in words is "eighty million, four hundred twenty-two thousand, nine hundred nineteen".