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63474887 = 731734007
BaseRepresentation
bin1111001000100…
…0110011000111
311102102212011202
43302020303013
5112222144022
610144253115
71400345660
oct362106307
9142385152
1063474887
1132914693
121931119b
13101c5808
148604367
15588c592
hex3c88cc7

63474887 has 16 divisors (see below), whose sum is σ = 75927552. Its totient is φ = 51917760.

The previous prime is 63474857. The next prime is 63474899. The reversal of 63474887 is 78847436.

63474887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 63474887 - 212 = 63470791 is a prime.

It is a super-2 number, since 2×634748872 = 8058122559325538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63474857) 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 15 ways as a sum of consecutive naturals, for example, 13838 + ... + 17844.

It is an arithmetic number, because the mean of its divisors is an integer number (4745472).

Almost surely, 263474887 is an apocalyptic number.

63474887 is a deficient number, since it is larger than the sum of its proper divisors (12452665).

63474887 is a wasteful number, since it uses less digits than its factorization.

63474887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118.

The product of its digits is 903168, while the sum is 47.

The square root of 63474887 is about 7967.1128396678. The cubic root of 63474887 is about 398.9030088597.

The spelling of 63474887 in words is "sixty-three million, four hundred seventy-four thousand, eight hundred eighty-seven".

Divisors: 1 7 31 73 217 511 2263 4007 15841 28049 124217 292511 869519 2047577 9067841 63474887