Search a number
-
+
53129630 = 255312963
BaseRepresentation
bin1100101010101…
…1000110011110
310200222021011002
43022223012132
5102100122010
65134430302
71213410611
oct312530636
9120867132
1053129630
1127a99094
1215962392
13b012a68
1470b0178
1549e71a5
hex32ab19e

53129630 has 8 divisors (see below), whose sum is σ = 95633352. Its totient is φ = 21251848.

The previous prime is 53129627. The next prime is 53129651. The reversal of 53129630 is 3692135.

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

It is a junction number, because it is equal to n+sod(n) for n = 53129593 and 53129602.

It is a congruent number.

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, 2656472 + ... + 2656491.

It is an arithmetic number, because the mean of its divisors is an integer number (11954169).

Almost surely, 253129630 is an apocalyptic number.

53129630 is a deficient number, since it is larger than the sum of its proper divisors (42503722).

53129630 is a wasteful number, since it uses less digits than its factorization.

53129630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312970.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53129630 is about 7289.0074770163. The cubic root of 53129630 is about 375.9345696846.

The spelling of 53129630 in words is "fifty-three million, one hundred twenty-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 5312963 10625926 26564815 53129630