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61032113 = 66192333
BaseRepresentation
bin1110100011010…
…0011010110001
311020211202022122
43220310122301
5111111011423
610020044025
71340523122
oct350643261
9136752278
1061032113
11314a636a
1218533615
13c84b99c
14816a049
1555588c8
hex3a346b1

61032113 has 4 divisors (see below), whose sum is σ = 61125108. Its totient is φ = 60939120.

The previous prime is 61032089. The next prime is 61032131. The reversal of 61032113 is 31123016.

61032113 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 can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 41113744 = 4463^2 + 6412^2 .

It is a cyclic number.

It is not a de Polignac number, because 61032113 - 220 = 59983537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61032091 and 61032100.

It is not an unprimeable number, because it can be changed into a prime (61032143) 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, 45506 + ... + 46827.

It is an arithmetic number, because the mean of its divisors is an integer number (15281277).

Almost surely, 261032113 is an apocalyptic number.

It is an amenable number.

61032113 is a deficient number, since it is larger than the sum of its proper divisors (92995).

61032113 is an equidigital number, since it uses as much as digits as its factorization.

61032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92994.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61032113 is about 7812.3052295721. The cubic root of 61032113 is about 393.7187841886.

Adding to 61032113 its reverse (31123016), we get a palindrome (92155129).

It can be divided in two parts, 610 and 32113, that added together give a palindrome (32723).

The spelling of 61032113 in words is "sixty-one million, thirty-two thousand, one hundred thirteen".

Divisors: 1 661 92333 61032113