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60042561 = 320014187
BaseRepresentation
bin1110010100001…
…0110101000001
311011222110220120
43211002311001
5110332330221
65542530453
71326232125
oct345026501
9134873816
1060042561
113098a957
1218136a29
13c593457
147d8d585
1554105c6
hex3942d41

60042561 has 4 divisors (see below), whose sum is σ = 80056752. Its totient is φ = 40028372.

The previous prime is 60042559. The next prime is 60042571. The reversal of 60042561 is 16524006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60042561 - 21 = 60042559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60042571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10007091 + ... + 10007096.

It is an arithmetic number, because the mean of its divisors is an integer number (20014188).

Almost surely, 260042561 is an apocalyptic number.

It is an amenable number.

60042561 is a deficient number, since it is larger than the sum of its proper divisors (20014191).

60042561 is a wasteful number, since it uses less digits than its factorization.

60042561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014190.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 60042561 is about 7748.7135061247. The cubic root of 60042561 is about 391.5793092834.

Adding to 60042561 its reverse (16524006), we get a palindrome (76566567).

The spelling of 60042561 in words is "sixty million, forty-two thousand, five hundred sixty-one".

Divisors: 1 3 20014187 60042561