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63870130 = 256387013
BaseRepresentation
bin1111001110100…
…1010010110010
311110011221100101
43303221102302
5112322321010
610200543014
71403613202
oct363512262
9143157311
1063870130
1133064635
1219481a6a
131030369c
1486a8402
15591973a
hex3ce94b2

63870130 has 8 divisors (see below), whose sum is σ = 114966252. Its totient is φ = 25548048.

The previous prime is 63870127. The next prime is 63870143. The reversal of 63870130 is 3107836.

It can be written as a sum of positive squares in 2 ways, for example, as 63568729 + 301401 = 7973^2 + 549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193497 + ... + 3193516.

Almost surely, 263870130 is an apocalyptic number.

63870130 is a deficient number, since it is larger than the sum of its proper divisors (51096122).

63870130 is a wasteful number, since it uses less digits than its factorization.

63870130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387020.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 63870130 is about 7991.8790030881. The cubic root of 63870130 is about 399.7292542832.

Adding to 63870130 its reverse (3107836), we get a palindrome (66977966).

It can be divided in two parts, 63870 and 130, that added together give a cube (64000 = 403).

The spelling of 63870130 in words is "sixty-three million, eight hundred seventy thousand, one hundred thirty".

Divisors: 1 2 5 10 6387013 12774026 31935065 63870130