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63157060 = 2253157853
BaseRepresentation
bin1111000011101…
…1001101000100
311101211201012101
43300323031010
5112132011220
610133401444
71364553241
oct360731504
9141751171
1063157060
113271791a
1219199284
1310113c55
1485605c8
15582830a
hex3c3b344

63157060 has 12 divisors (see below), whose sum is σ = 132629868. Its totient is φ = 25262816.

The previous prime is 63157051. The next prime is 63157063. The reversal of 63157060 is 6075136.

63157060 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 35426304 + 27730756 = 5952^2 + 5266^2 .

It is not an unprimeable number, because it can be changed into a prime (63157063) 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, 1578907 + ... + 1578946.

It is an arithmetic number, because the mean of its divisors is an integer number (11052489).

Almost surely, 263157060 is an apocalyptic number.

It is an amenable number.

63157060 is an abundant number, since it is smaller than the sum of its proper divisors (69472808).

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

63157060 is a wasteful number, since it uses less digits than its factorization.

63157060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157862 (or 3157860 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 63157060 is about 7947.1416245088. The cubic root of 63157060 is about 398.2361081472.

The spelling of 63157060 in words is "sixty-three million, one hundred fifty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 3157853 6315706 12631412 15789265 31578530 63157060