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2897364281 = 71767363397
BaseRepresentation
bin1010110010110010…
…0100010100111001
321110220220100121012
42230230210110321
521413211124111
61155300323305
7131541122120
oct25454442471
97426810535
102897364281
111257539739
1268a3a3535
1337235a146
141d6b2aab7
1511e56d48b
hexacb24539

2897364281 has 16 divisors (see below), whose sum is σ = 3558393216. Its totient is φ = 2302477056.

The previous prime is 2897364241. The next prime is 2897364307. The reversal of 2897364281 is 1824637982.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2897364281 is a prime.

It is a super-2 number, since 2×28973642812 = 16789439553629293922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2897364221) 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, 173726 + ... + 189671.

It is an arithmetic number, because the mean of its divisors is an integer number (222399576).

Almost surely, 22897364281 is an apocalyptic number.

It is an amenable number.

2897364281 is a deficient number, since it is larger than the sum of its proper divisors (661028935).

2897364281 is a wasteful number, since it uses less digits than its factorization.

2897364281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363488.

The product of its digits is 1161216, while the sum is 50.

The square root of 2897364281 is about 53827.1704717980. The cubic root of 2897364281 is about 1425.6109875678.

The spelling of 2897364281 in words is "two billion, eight hundred ninety-seven million, three hundred sixty-four thousand, two hundred eighty-one".

Divisors: 1 7 17 67 119 469 1139 7973 363397 2543779 6177749 24347599 43244243 170433193 413909183 2897364281