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2030653728 = 253219371099
BaseRepresentation
bin111100100001001…
…0101000100100000
312020112000220020100
41321002111010200
513124321404403
6533255542400
7101215162155
oct17102250440
95215026210
102030653728
11952284224
1248808aa00
1326491aa6c
1415399822c
15bd41a2a3
hex79095120

2030653728 has 72 divisors (see below), whose sum is σ = 6078618000. Its totient is φ = 641257344.

The previous prime is 2030653687. The next prime is 2030653733. The reversal of 2030653728 is 8273560302.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2030653692 and 2030653701.

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 11 ways as a sum of consecutive naturals, for example, 180078 + ... + 191021.

It is an arithmetic number, because the mean of its divisors is an integer number (84425250).

Almost surely, 22030653728 is an apocalyptic number.

It is an amenable number.

2030653728 is an abundant number, since it is smaller than the sum of its proper divisors (4047964272).

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

2030653728 is a wasteful number, since it uses less digits than its factorization.

2030653728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371134 (or 371123 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2030653728 is about 45062.7754138602. The cubic root of 2030653728 is about 1266.3253208867.

The spelling of 2030653728 in words is "two billion, thirty million, six hundred fifty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 72 76 96 114 144 152 171 228 288 304 342 456 608 684 912 1368 1824 2736 5472 371099 742198 1113297 1484396 2226594 2968792 3339891 4453188 5937584 6679782 7050881 8906376 11875168 13359564 14101762 17812752 21152643 26719128 28203524 35625504 42305286 53438256 56407048 63457929 84610572 106876512 112814096 126915858 169221144 225628192 253831716 338442288 507663432 676884576 1015326864 2030653728