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80800652 = 2254736929
BaseRepresentation
bin1001101000011…
…10101110001100
312122001002122202
410310032232030
5131141110102
612003501032
72000536262
oct464165614
9178032582
1080800652
11416787a9
1223087778
131398094a
14aa34432
157160e02
hex4d0eb8c

80800652 has 12 divisors (see below), whose sum is σ = 141663480. Its totient is φ = 40325376.

The previous prime is 80800651. The next prime is 80800691. The reversal of 80800652 is 25600808.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80800651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16277 + ... + 20652.

It is an arithmetic number, because the mean of its divisors is an integer number (11805290).

Almost surely, 280800652 is an apocalyptic number.

It is an amenable number.

80800652 is a deficient number, since it is larger than the sum of its proper divisors (60862828).

80800652 is a wasteful number, since it uses less digits than its factorization.

80800652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37480 (or 37478 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80800652 is about 8988.9182886485. The cubic root of 80800652 is about 432.3196294227.

The spelling of 80800652 in words is "eighty million, eight hundred thousand, six hundred fifty-two".

Divisors: 1 2 4 547 1094 2188 36929 73858 147716 20200163 40400326 80800652