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60780330 = 23251351949
BaseRepresentation
bin1110011111011…
…0111100101010
311020100221221100
43213312330222
5111024432310
610010422230
71335424062
oct347667452
9136327840
1060780330
1131344186
1218431976
13c7911c0
1481023a2
155508ec0
hex39f6f2a

60780330 has 48 divisors (see below), whose sum is σ = 170188200. Its totient is φ = 14961024.

The previous prime is 60780289. The next prime is 60780337. The reversal of 60780330 is 3308706.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28869129 + 31911201 = 5373^2 + 5649^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 60780294 and 60780303.

It is not an unprimeable number, because it can be changed into a prime (60780337) 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 23 ways as a sum of consecutive naturals, for example, 24805 + ... + 27144.

Almost surely, 260780330 is an apocalyptic number.

60780330 is an abundant number, since it is smaller than the sum of its proper divisors (109407870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60780330 is a wasteful number, since it uses less digits than its factorization.

60780330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51975 (or 51972 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 60780330 is about 7796.1740616792. The cubic root of 60780330 is about 393.1766197173.

The spelling of 60780330 in words is "sixty million, seven hundred eighty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 51949 103898 155847 259745 311694 467541 519490 675337 779235 935082 1350674 1558470 2026011 2337705 3376685 4052022 4675410 6078033 6753370 10130055 12156066 20260110 30390165 60780330