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80901068 = 2229697423
BaseRepresentation
bin1001101001001…
…11001111001100
312122020012101212
410310213033030
5131202313233
612005553552
72001435113
oct464471714
9178205355
1080901068
1141737196
12231158b8
13139b7571
14aa5cc7a
157180a48
hex4d273cc

80901068 has 12 divisors (see below), whose sum is σ = 146459040. Its totient is φ = 39055632.

The previous prime is 80901061. The next prime is 80901083. The reversal of 80901068 is 86010908.

It is not an unprimeable number, because it can be changed into a prime (80901061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348596 + ... + 348827.

It is an arithmetic number, because the mean of its divisors is an integer number (12204920).

Almost surely, 280901068 is an apocalyptic number.

It is an amenable number.

80901068 is a deficient number, since it is larger than the sum of its proper divisors (65557972).

80901068 is a wasteful number, since it uses less digits than its factorization.

80901068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697456 (or 697454 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 80901068 is about 8994.5020985044. The cubic root of 80901068 is about 432.4986454567.

The spelling of 80901068 in words is "eighty million, nine hundred one thousand, sixty-eight".

Divisors: 1 2 4 29 58 116 697423 1394846 2789692 20225267 40450534 80901068