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80722084 = 22107188603
BaseRepresentation
bin1001100111110…
…11100010100100
312121220002212211
410303323202210
5131131101314
612002053204
72000061232
oct463734244
9177802784
1080722084
1141624773
122304a204
1313953c61
14aa13952
1571479c4
hex4cfb8a4

80722084 has 12 divisors (see below), whose sum is σ = 142584624. Its totient is φ = 39983624.

The previous prime is 80722079. The next prime is 80722087. The reversal of 80722084 is 48022708.

It is not an unprimeable number, because it can be changed into a prime (80722087) 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, 93874 + ... + 94729.

It is an arithmetic number, because the mean of its divisors is an integer number (11882052).

Almost surely, 280722084 is an apocalyptic number.

It is an amenable number.

80722084 is a deficient number, since it is larger than the sum of its proper divisors (61862540).

80722084 is a wasteful number, since it uses less digits than its factorization.

80722084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188714 (or 188712 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 80722084 is about 8984.5469557457. The cubic root of 80722084 is about 432.1794593330.

The spelling of 80722084 in words is "eighty million, seven hundred twenty-two thousand, eighty-four".

Divisors: 1 2 4 107 214 428 188603 377206 754412 20180521 40361042 80722084