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2805245344 = 251117571821
BaseRepresentation
bin1010011100110100…
…1010010110100000
321020111120020011201
42213031022112200
521221120322334
61142210050544
7126342122566
oct24715122640
97214506151
102805245344
11120a540390
12663579a54
133592458b5
141c87cba36
15116423c14
hexa734a5a0

2805245344 has 96 divisors (see below), whose sum is σ = 6398263872. Its totient is φ = 1196544000.

The previous prime is 2805245341. The next prime is 2805245351. The reversal of 2805245344 is 4435425082.

It is not an unprimeable number, because it can be changed into a prime (2805245341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416454 + ... + 3417274.

It is an arithmetic number, because the mean of its divisors is an integer number (66648582).

Almost surely, 22805245344 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 2805245344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199131936).

2805245344 is an abundant number, since it is smaller than the sum of its proper divisors (3593018528).

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

2805245344 is a wasteful number, since it uses less digits than its factorization.

2805245344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 2805245344 is about 52964.5668725800. The cubic root of 2805245344 is about 1410.3393284883.

The spelling of 2805245344 in words is "two billion, eight hundred five million, two hundred forty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 68 88 136 176 187 272 352 374 544 571 748 821 1142 1496 1642 2284 2992 3284 4568 5984 6281 6568 9031 9136 9707 12562 13136 13957 18062 18272 19414 25124 26272 27914 36124 38828 50248 55828 72248 77656 100496 106777 111656 144496 153527 155312 200992 213554 223312 288992 307054 310624 427108 446624 468791 614108 854216 937582 1228216 1708432 1875164 2456432 3416864 3750328 4912864 5156701 7500656 7969447 10313402 15001312 15938894 20626804 31877788 41253608 63755576 82507216 87663917 127511152 165014432 175327834 255022304 350655668 701311336 1402622672 2805245344