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61499041 = 611008181
BaseRepresentation
bin1110101010011…
…0011010100001
311021201110211021
43222212122201
5111220432131
610034045441
71344506332
oct352463241
9137643737
1061499041
113179515a
1218719881
13c983386
14824c289
1555ebe11
hex3aa66a1

61499041 has 4 divisors (see below), whose sum is σ = 62507284. Its totient is φ = 60490800.

The previous prime is 61499023. The next prime is 61499059. The reversal of 61499041 is 14099416.

61499041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61499023) and next prime (61499059).

It can be written as a sum of positive squares in 2 ways, for example, as 14288400 + 47210641 = 3780^2 + 6871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61499041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61498988 and 61499006.

It is not an unprimeable number, because it can be changed into a prime (61499341) 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, 504030 + ... + 504151.

It is an arithmetic number, because the mean of its divisors is an integer number (15626821).

Almost surely, 261499041 is an apocalyptic number.

61499041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61499041 is a deficient number, since it is larger than the sum of its proper divisors (1008243).

61499041 is a wasteful number, since it uses less digits than its factorization.

61499041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008242.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 61499041 is about 7842.1324268339. The cubic root of 61499041 is about 394.7202869373.

The spelling of 61499041 in words is "sixty-one million, four hundred ninety-nine thousand, forty-one".

Divisors: 1 61 1008181 61499041