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80654064 = 2433167809
BaseRepresentation
bin1001100111010…
…10111011110000
312121202122120120
410303222323300
5131121412224
612000410240
71666356021
oct463527360
9177678516
1080654064
1141588657
1223016980
131392bcca
14a9d6c48
157132779
hex4ceaef0

80654064 has 80 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 25597440.

The previous prime is 80654039. The next prime is 80654071. The reversal of 80654064 is 46045608.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99292 + ... + 100100.

It is an arithmetic number, because the mean of its divisors is an integer number (2731968).

Almost surely, 280654064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80654064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109278720).

80654064 is an abundant number, since it is smaller than the sum of its proper divisors (137903376).

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

80654064 is a wasteful number, since it uses less digits than its factorization.

80654064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 80654064 is about 8980.7607695562. The cubic root of 80654064 is about 432.0580340416.

The spelling of 80654064 in words is "eighty million, six hundred fifty-four thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 67 93 124 134 186 201 248 268 372 402 496 536 744 804 809 1072 1488 1608 1618 2077 2427 3216 3236 4154 4854 6231 6472 8308 9708 12462 12944 16616 19416 24924 25079 33232 38832 49848 50158 54203 75237 99696 100316 108406 150474 162609 200632 216812 300948 325218 401264 433624 601896 650436 867248 1203792 1300872 1680293 2601744 3360586 5040879 6721172 10081758 13442344 20163516 26884688 40327032 80654064