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61875130 = 2512135101
BaseRepresentation
bin1110110000001…
…0001110111010
311022102120201111
43230002032322
5111320001010
610050110534
71350633652
oct354021672
9138376644
1061875130
1131a21779
121887b44a
13ca85605
148309362
15567358a
hex3b023ba

61875130 has 16 divisors (see below), whose sum is σ = 111488904. Its totient is φ = 24724800.

The previous prime is 61875097. The next prime is 61875131. The reversal of 61875130 is 3157816.

61875130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 50965321 = 3303^2 + 7139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61875092 and 61875101.

It is not an unprimeable number, because it can be changed into a prime (61875131) 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 7 ways as a sum of consecutive naturals, for example, 9580 + ... + 14680.

Almost surely, 261875130 is an apocalyptic number.

61875130 is a deficient number, since it is larger than the sum of its proper divisors (49613774).

61875130 is a wasteful number, since it uses less digits than its factorization.

61875130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 61875130 is about 7866.0746246142. The cubic root of 61875130 is about 395.5232716723.

The spelling of 61875130 in words is "sixty-one million, eight hundred seventy-five thousand, one hundred thirty".

Divisors: 1 2 5 10 1213 2426 5101 6065 10202 12130 25505 51010 6187513 12375026 30937565 61875130