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61800682 = 2291065529
BaseRepresentation
bin1110101111000…
…0000011101010
311022021210121011
43223300003222
5111310110212
610044334134
71350203626
oct353600352
9138253534
1061800682
1131980849
121884434a
13ca5a768
1482ca186
15565b4a7
hex3af00ea

61800682 has 8 divisors (see below), whose sum is σ = 95897700. Its totient is φ = 29834784.

The previous prime is 61800677. The next prime is 61800689. The reversal of 61800682 is 28600816.

61800682 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 2 ways, for example, as 58079641 + 3721041 = 7621^2 + 1929^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61800689) 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 3 ways as a sum of consecutive naturals, for example, 532707 + ... + 532822.

Almost surely, 261800682 is an apocalyptic number.

61800682 is a deficient number, since it is larger than the sum of its proper divisors (34097018).

61800682 is a wasteful number, since it uses less digits than its factorization.

61800682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065560.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 61800682 is about 7861.3409797566. The cubic root of 61800682 is about 395.3645771415.

The spelling of 61800682 in words is "sixty-one million, eight hundred thousand, six hundred eighty-two".

Divisors: 1 2 29 58 1065529 2131058 30900341 61800682