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80006260 = 22511335401
BaseRepresentation
bin1001100010011…
…00110001110100
312120112201221211
410301030301310
5130440200020
611534451204
71661020255
oct461146164
9176481854
1080006260
1141185984
1222963b04
13137631a9
14a8a8b2c
15705585a
hex4c4cc74

80006260 has 24 divisors (see below), whose sum is σ = 169504776. Its totient is φ = 31718400.

The previous prime is 80006239. The next prime is 80006261. The reversal of 80006260 is 6260008.

It can be written as a sum of positive squares in 4 ways, for example, as 2178576 + 77827684 = 1476^2 + 8822^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80006261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15441 + ... + 19960.

It is an arithmetic number, because the mean of its divisors is an integer number (7062699).

Almost surely, 280006260 is an apocalyptic number.

It is an amenable number.

80006260 is an abundant number, since it is smaller than the sum of its proper divisors (89498516).

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

80006260 is a wasteful number, since it uses less digits than its factorization.

80006260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35523 (or 35521 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 80006260 is about 8944.6218477921. The cubic root of 80006260 is about 430.8981766809.

Adding to 80006260 its reverse (6260008), we get a palindrome (86266268).

The spelling of 80006260 in words is "eighty million, six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 35401 70802 141604 177005 354010 708020 4000313 8000626 16001252 20001565 40003130 80006260