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2890941080 = 235719971021
BaseRepresentation
bin1010110001010000…
…0100001010011000
321110110211000121212
42230110010022120
521410040103310
61154510522252
7131432410436
oct25424041230
97413730555
102890941080
111253951905
12688206388
13370c1b631
141d5d37d56
1511dc00205
hexac504298

2890941080 has 64 divisors (see below), whose sum is σ = 6609314880. Its totient is φ = 1137830400.

The previous prime is 2890941077. The next prime is 2890941107. The reversal of 2890941080 is 801490982.

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, 2830970 + ... + 2831990.

It is an arithmetic number, because the mean of its divisors is an integer number (103270545).

Almost surely, 22890941080 is an apocalyptic number.

2890941080 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 2890941080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3304657440).

2890941080 is an abundant number, since it is smaller than the sum of its proper divisors (3718373800).

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

2890941080 is a wasteful number, since it uses less digits than its factorization.

2890941080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 2890941080 is about 53767.4723229575. The cubic root of 2890941080 is about 1424.5567235170.

The spelling of 2890941080 in words is "two billion, eight hundred ninety million, nine hundred forty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 997 1021 1420 1994 2042 2840 3988 4084 4985 5105 7976 8168 9970 10210 19940 20420 39880 40840 70787 72491 141574 144982 283148 289964 353935 362455 566296 579928 707870 724910 1017937 1415740 1449820 2035874 2831480 2899640 4071748 5089685 8143496 10179370 20358740 40717480 72273527 144547054 289094108 361367635 578188216 722735270 1445470540 2890941080