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2894393385 = 335135927953
BaseRepresentation
bin1010110010000100…
…1111000000101001
321110201022102022000
42230201033000221
521411431042020
61155112521213
7131503636452
oct25441170051
97421272260
102894393385
11125589a654
126893b0209
13371859b10
141d6596129
1511e183090
hexac84f029

2894393385 has 64 divisors (see below), whose sum is σ = 5635526400. Its totient is φ = 1400730624.

The previous prime is 2894393351. The next prime is 2894393407. The reversal of 2894393385 is 5833934982.

It is a happy number.

It is not a de Polignac number, because 2894393385 - 26 = 2894393321 is a prime.

It is a Curzon 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 63 ways as a sum of consecutive naturals, for example, 89569 + ... + 117521.

It is an arithmetic number, because the mean of its divisors is an integer number (88055100).

Almost surely, 22894393385 is an apocalyptic number.

It is an amenable number.

2894393385 is a deficient number, since it is larger than the sum of its proper divisors (2741133015).

2894393385 is a wasteful number, since it uses less digits than its factorization.

2894393385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039 (or 28033 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2894393385 is about 53799.5667733486. The cubic root of 2894393385 is about 1425.1235571535.

The spelling of 2894393385 in words is "two billion, eight hundred ninety-four million, three hundred ninety-three thousand, three hundred eighty-five".

Divisors: 1 3 5 9 13 15 27 39 45 59 65 117 135 177 195 295 351 531 585 767 885 1593 1755 2301 2655 3835 6903 7965 11505 20709 27953 34515 83859 103545 139765 251577 363389 419295 754731 1090167 1257885 1649227 1816945 3270501 3773655 4947681 5450835 8246135 9811503 14843043 16352505 21439951 24738405 44529129 49057515 64319853 74215215 107199755 192959559 222645645 321599265 578878677 964797795 2894393385