Search a number
-
+
80455419 = 3211812681
BaseRepresentation
bin1001100101110…
…10011011111011
312121101120002100
410302322123323
5131044033134
611552234443
71664600622
oct462723373
9177346070
1080455419
1141462390
1222b3ba23
131388c775
14a9846b9
1570e3999
hex4cba6fb

80455419 has 12 divisors (see below), whose sum is σ = 126778392. Its totient is φ = 48760800.

The previous prime is 80455411. The next prime is 80455421. The reversal of 80455419 is 91455408.

It is not a de Polignac number, because 80455419 - 23 = 80455411 is a prime.

It is a super-2 number, since 2×804554192 = 12946148892931122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80455411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406242 + ... + 406439.

It is an arithmetic number, because the mean of its divisors is an integer number (10564866).

Almost surely, 280455419 is an apocalyptic number.

80455419 is a deficient number, since it is larger than the sum of its proper divisors (46322973).

80455419 is a wasteful number, since it uses less digits than its factorization.

80455419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812698 (or 812695 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 80455419 is about 8969.6944764022. The cubic root of 80455419 is about 431.7030334310.

The spelling of 80455419 in words is "eighty million, four hundred fifty-five thousand, four hundred nineteen".

Divisors: 1 3 9 11 33 99 812681 2438043 7314129 8939491 26818473 80455419