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28682060 = 22511177669
BaseRepresentation
bin110110101101…
…0011101001100
31222222012101112
41231122131030
524320311220
62502431152
7465536111
oct155323514
958865345
1028682060
1115210290
1297324b8
135c33144
143b48908
1527b85c5
hex1b5a74c

28682060 has 48 divisors (see below), whose sum is σ = 69582240. Its totient is φ = 9815040.

The previous prime is 28682051. The next prime is 28682107. The reversal of 28682060 is 6028682.

28682060 = T425 + T426 + ... + T628.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (1449630).

Almost surely, 228682060 is an apocalyptic number.

28682060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28682060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34791120).

28682060 is an abundant number, since it is smaller than the sum of its proper divisors (40900180).

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

28682060 is a wasteful number, since it uses less digits than its factorization.

28682060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 28682060 is about 5355.5634624192. The cubic root of 28682060 is about 306.1047813519.

The spelling of 28682060 in words is "twenty-eight million, six hundred eighty-two thousand, sixty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 7669 15338 30676 38345 76690 84359 130373 153380 168718 260746 337436 421795 521492 651865 843590 1303730 1434103 1687180 2607460 2868206 5736412 7170515 14341030 28682060