Search a number
-
+
63830140 = 22511290137
BaseRepresentation
bin1111001101111…
…1100001111100
311110002220111021
43303133201330
5112320031030
610200033524
71403355463
oct363374174
9143086437
1063830140
1133037590
12194628a4
13102bb41a
1486979da
15590c97a
hex3cdf87c

63830140 has 24 divisors (see below), whose sum is σ = 146229552. Its totient is φ = 23210880.

The previous prime is 63830113. The next prime is 63830141. The reversal of 63830140 is 4103836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63830141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144849 + ... + 145288.

It is an arithmetic number, because the mean of its divisors is an integer number (6092898).

Almost surely, 263830140 is an apocalyptic number.

It is an amenable number.

63830140 is an abundant number, since it is smaller than the sum of its proper divisors (82399412).

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

63830140 is a wasteful number, since it uses less digits than its factorization.

63830140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290157 (or 290155 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63830140 is about 7989.3766965890. The cubic root of 63830140 is about 399.6458114688.

Adding to 63830140 its reverse (4103836), we get a palindrome (67933976).

The spelling of 63830140 in words is "sixty-three million, eight hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 290137 580274 1160548 1450685 2901370 3191507 5802740 6383014 12766028 15957535 31915070 63830140