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60828020 = 22511283977
BaseRepresentation
bin1110100000001…
…0100101110100
311020110101100122
43220002211310
5111032444040
610011431112
71336013111
oct350024564
9136411318
1060828020
1131376aa0
1218455498
13c7a9b16
148115908
1555181b5
hex3a02974

60828020 has 48 divisors (see below), whose sum is σ = 139987008. Its totient is φ = 22018560.

The previous prime is 60827999. The next prime is 60828067. The reversal of 60828020 is 2082806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61772 + ... + 62748.

It is an arithmetic number, because the mean of its divisors is an integer number (2916396).

Almost surely, 260828020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60828020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69993504).

60828020 is an abundant number, since it is smaller than the sum of its proper divisors (79158988).

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

60828020 is a wasteful number, since it uses less digits than its factorization.

60828020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 60828020 is about 7799.2320134741. The cubic root of 60828020 is about 393.2794254059.

The spelling of 60828020 in words is "sixty million, eight hundred twenty-eight thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 283 566 977 1132 1415 1954 2830 3113 3908 4885 5660 6226 9770 10747 12452 15565 19540 21494 31130 42988 53735 62260 107470 214940 276491 552982 1105964 1382455 2764910 3041401 5529820 6082802 12165604 15207005 30414010 60828020