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63487130 = 2572347839
BaseRepresentation
bin1111001000101…
…1110010011010
311102110110222012
43302023302122
5112223042010
610144425522
71400426450
oct362136232
9142413865
1063487130
1132922903
12193182a2
13101cb265
1486089d0
155891005
hex3c8bc9a

63487130 has 64 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 20353344.

The previous prime is 63487111. The next prime is 63487181. The reversal of 63487130 is 3178436.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75251 + ... + 76089.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 263487130 is an apocalyptic number.

63487130 is an abundant number, since it is smaller than the sum of its proper divisors (75858790).

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

63487130 is a wasteful number, since it uses less digits than its factorization.

63487130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 63487130 is about 7967.8811487120. The cubic root of 63487130 is about 398.9286539392.

The spelling of 63487130 in words is "sixty-three million, four hundred eighty-seven thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 47 70 94 115 161 230 235 322 329 470 658 805 839 1081 1610 1645 1678 2162 3290 4195 5405 5873 7567 8390 10810 11746 15134 19297 29365 37835 38594 39433 58730 75670 78866 96485 135079 192970 197165 270158 276031 394330 552062 675395 906959 1350790 1380155 1813918 2760310 4534795 6348713 9069590 12697426 31743565 63487130