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60661243 = 1929891237
BaseRepresentation
bin1110011101100…
…1110111111011
311020010220120201
43213121313323
5111012124433
610004103031
71334416636
oct347316773
9136126521
1060661243
1131272765
1218394a77
13c74bc36
1480b0c1d
1554d3a7d
hex39d9dfb

60661243 has 16 divisors (see below), whose sum is σ = 66852000. Its totient is φ = 54819072.

The previous prime is 60661229. The next prime is 60661259. The reversal of 60661243 is 34216606.

It is a cyclic number.

It is not a de Polignac number, because 60661243 - 221 = 58564091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60661273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48421 + ... + 49657.

It is an arithmetic number, because the mean of its divisors is an integer number (4178250).

Almost surely, 260661243 is an apocalyptic number.

60661243 is a deficient number, since it is larger than the sum of its proper divisors (6190757).

60661243 is a wasteful number, since it uses less digits than its factorization.

60661243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 60661243 is about 7788.5327886580. The cubic root of 60661243 is about 392.9196679641.

Adding to 60661243 its reverse (34216606), we get a palindrome (94877849).

The spelling of 60661243 in words is "sixty million, six hundred sixty-one thousand, two hundred forty-three".

Divisors: 1 19 29 89 551 1237 1691 2581 23503 35873 49039 110093 681587 2091767 3192697 60661243