Search a number
-
+
64161130 = 25114671249
BaseRepresentation
bin1111010011000…
…0010101101010
311110201201112011
43310300111222
5112411124010
610211110134
71406234455
oct364602552
9143651464
1064161130
1133243230
12195a234a
13103a5c87
14874249c
155975a8a
hex3d3056a

64161130 has 32 divisors (see below), whose sum is σ = 126360000. Its totient is φ = 23262720.

The previous prime is 64161121. The next prime is 64161131. The reversal of 64161130 is 3116146.

It is a happy number.

64161130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (64161131) 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, 50746 + ... + 51994.

It is an arithmetic number, because the mean of its divisors is an integer number (3948750).

Almost surely, 264161130 is an apocalyptic number.

64161130 is a deficient number, since it is larger than the sum of its proper divisors (62198870).

64161130 is a wasteful number, since it uses less digits than its factorization.

64161130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 64161130 is about 8010.0642943737. The cubic root of 64161130 is about 400.3354061781.

Adding to 64161130 its reverse (3116146), we get a palindrome (67277276).

The spelling of 64161130 in words is "sixty-four million, one hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 467 934 1249 2335 2498 4670 5137 6245 10274 12490 13739 25685 27478 51370 68695 137390 583283 1166566 2916415 5832830 6416113 12832226 32080565 64161130