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61461130 = 2510359671
BaseRepresentation
bin1110101001110…
…1001010001010
311021122112211011
43222131022022
5111213224010
610033154134
71344260653
oct352351212
9137575734
1061461130
1131769725
12186bb94a
13c96c043
14823c52a
1555e0a8a
hex3a9d28a

61461130 has 16 divisors (see below), whose sum is σ = 111705984. Its totient is φ = 24345360.

The previous prime is 61461119. The next prime is 61461151. The reversal of 61461130 is 3116416.

It is a happy number.

61461130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28806 + ... + 30865.

It is an arithmetic number, because the mean of its divisors is an integer number (6981624).

Almost surely, 261461130 is an apocalyptic number.

61461130 is a deficient number, since it is larger than the sum of its proper divisors (50244854).

61461130 is a wasteful number, since it uses less digits than its factorization.

61461130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59781.

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

The square root of 61461130 is about 7839.7149182863. The cubic root of 61461130 is about 394.6391620043.

Adding to 61461130 its reverse (3116416), we get a palindrome (64577546).

The spelling of 61461130 in words is "sixty-one million, four hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 103 206 515 1030 59671 119342 298355 596710 6146113 12292226 30730565 61461130