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80417842 = 2194994241
BaseRepresentation
bin1001100101100…
…01010000110010
312121022122112121
410302301100302
5131041332332
611551344454
71664353231
oct462612062
9177278477
1080417842
114143712a
1222b2212a
131387862b
14a974b18
1570d7797
hex4cb1432

80417842 has 16 divisors (see below), whose sum is σ = 127260000. Its totient is φ = 38007360.

The previous prime is 80417807. The next prime is 80417849. The reversal of 80417842 is 24871408.

It is a junction number, because it is equal to n+sod(n) for n = 80417798 and 80417807.

It is not an unprimeable number, because it can be changed into a prime (80417849) 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 in 7 ways as a sum of consecutive naturals, for example, 16842 + ... + 21082.

It is an arithmetic number, because the mean of its divisors is an integer number (7953750).

Almost surely, 280417842 is an apocalyptic number.

80417842 is a deficient number, since it is larger than the sum of its proper divisors (46842158).

80417842 is a wasteful number, since it uses less digits than its factorization.

80417842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 80417842 is about 8967.5995673313. The cubic root of 80417842 is about 431.6358134671.

The spelling of 80417842 in words is "eighty million, four hundred seventeen thousand, eight hundred forty-two".

Divisors: 1 2 19 38 499 998 4241 8482 9481 18962 80579 161158 2116259 4232518 40208921 80417842