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2729382420 = 2235349130343
BaseRepresentation
bin1010001010101111…
…0001001000010100
321001012210222210210
42202223301020110
521042210214140
61130500045420
7124431240102
oct24253611024
97035728723
102729382420
111180735456
12642093870
133466035ab
141bc6c0c72
1510e93ad80
hexa2af1214

2729382420 has 48 divisors (see below), whose sum is σ = 7664227200. Its totient is φ = 725744256.

The previous prime is 2729382413. The next prime is 2729382437. The reversal of 2729382420 is 242839272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44232 + ... + 86111.

It is an arithmetic number, because the mean of its divisors is an integer number (159671400).

Almost surely, 22729382420 is an apocalyptic number.

2729382420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729382420 is an abundant number, since it is smaller than the sum of its proper divisors (4934844780).

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

2729382420 is a wasteful number, since it uses less digits than its factorization.

2729382420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130704 (or 130702 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2729382420 is about 52243.4916520709. The cubic root of 2729382420 is about 1397.5095895306.

The spelling of 2729382420 in words is "two billion, seven hundred twenty-nine million, three hundred eighty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 349 698 1047 1396 1745 2094 3490 4188 5235 6980 10470 20940 130343 260686 391029 521372 651715 782058 1303430 1564116 1955145 2606860 3910290 7820580 45489707 90979414 136469121 181958828 227448535 272938242 454897070 545876484 682345605 909794140 1364691210 2729382420