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60552421 = 71852851
BaseRepresentation
bin1110011011111…
…1010011100101
311012221101022021
43212333103211
5111000134141
610001503141
71333454446
oct346772345
9135841267
1060552421
11311a8a26
1218341ab1
13c711547
1480832cd
1554b16d1
hex39bf4e5

60552421 has 4 divisors (see below), whose sum is σ = 61405344. Its totient is φ = 59699500.

The previous prime is 60552407. The next prime is 60552433. The reversal of 60552421 is 12425506.

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 60552421 - 221 = 58455269 is a prime.

It is a super-2 number, since 2×605524212 = 7333191377922482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60522421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426355 + ... + 426496.

It is an arithmetic number, because the mean of its divisors is an integer number (15351336).

Almost surely, 260552421 is an apocalyptic number.

It is an amenable number.

60552421 is a deficient number, since it is larger than the sum of its proper divisors (852923).

60552421 is an equidigital number, since it uses as much as digits as its factorization.

60552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852922.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 60552421 is about 7781.5436129344. The cubic root of 60552421 is about 392.6845705830.

Adding to 60552421 its reverse (12425506), we get a palindrome (72977927).

The spelling of 60552421 in words is "sixty million, five hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 71 852851 60552421