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80426436 = 2237391811
BaseRepresentation
bin1001100101100…
…11010111000100
312121100002022220
410302303113010
5131042121221
611551452340
71664420256
oct462632704
9177302286
1080426436
1141442632
1222b270b0
131387c50c
14a977cd6
1570da0c6
hex4cb35c4

80426436 has 24 divisors (see below), whose sum is σ = 190234464. Its totient is φ = 26441280.

The previous prime is 80426429. The next prime is 80426491. The reversal of 80426436 is 63462408.

It is a junction number, because it is equal to n+sod(n) for n = 80426397 and 80426406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45030 + ... + 46781.

It is an arithmetic number, because the mean of its divisors is an integer number (7926436).

Almost surely, 280426436 is an apocalyptic number.

It is an amenable number.

80426436 is an abundant number, since it is smaller than the sum of its proper divisors (109808028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80426436 is a wasteful number, since it uses less digits than its factorization.

80426436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91891 (or 91889 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 80426436 is about 8968.0787240077. The cubic root of 80426436 is about 431.6511887700.

The spelling of 80426436 in words is "eighty million, four hundred twenty-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 91811 183622 275433 367244 550866 1101732 6702203 13404406 20106609 26808812 40213218 80426436