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60675561 = 34749081
BaseRepresentation
bin1110011101110…
…1010111101001
311020011122020000
43213131113221
5111013104221
610004253213
71334506452
oct347352751
9136148200
1060675561
11312824a1
12183a1209
13c7555cb
1480b6129
1554d7e26
hex39dd5e9

60675561 has 10 divisors (see below), whose sum is σ = 90638922. Its totient is φ = 40450320.

The previous prime is 60675557. The next prime is 60675577. The reversal of 60675561 is 16557606.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39690000 + 20985561 = 6300^2 + 4581^2 .

It is not a de Polignac number, because 60675561 - 22 = 60675557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60675551) 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 9 ways as a sum of consecutive naturals, for example, 374460 + ... + 374621.

Almost surely, 260675561 is an apocalyptic number.

It is an amenable number.

60675561 is a deficient number, since it is larger than the sum of its proper divisors (29963361).

60675561 is an equidigital number, since it uses as much as digits as its factorization.

60675561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749093 (or 749084 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 60675561 is about 7789.4519062640. The cubic root of 60675561 is about 392.9505794157.

It can be divided in two parts, 6067 and 5561, that added together give a triangular number (11628 = T152).

The spelling of 60675561 in words is "sixty million, six hundred seventy-five thousand, five hundred sixty-one".

Divisors: 1 3 9 27 81 749081 2247243 6741729 20225187 60675561