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53807080 = 2351345177
BaseRepresentation
bin1100110101000…
…0011111101000
310202020200102211
43031100133220
5102233311310
65201134504
71222231645
oct315203750
9122220384
1053807080
1128411068
121602a434
13b1bc212
147208dcc
154accc8a
hex33507e8

53807080 has 16 divisors (see below), whose sum is σ = 121066020. Its totient is φ = 21522816.

The previous prime is 53807053. The next prime is 53807081. The reversal of 53807080 is 8070835.

53807080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 5560164 = 6946^2 + 2358^2 .

It is not an unprimeable number, because it can be changed into a prime (53807081) 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, 672549 + ... + 672628.

Almost surely, 253807080 is an apocalyptic number.

It is an amenable number.

53807080 is an abundant number, since it is smaller than the sum of its proper divisors (67258940).

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

53807080 is a wasteful number, since it uses less digits than its factorization.

53807080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345188 (or 1345184 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 53807080 is about 7335.3309400463. The cubic root of 53807080 is about 377.5256594111.

The spelling of 53807080 in words is "fifty-three million, eight hundred seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 1345177 2690354 5380708 6725885 10761416 13451770 26903540 53807080