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283921113 = 3713520053
BaseRepresentation
bin10000111011000…
…100101011011001
3201210020200112210
4100323010223121
51040140433423
644101225333
710015201230
oct2073045331
9653220483
10283921113
111362a2153
127b102249
1346a8b378
14299c9b17
1519dd4b93
hex10ec4ad9

283921113 has 8 divisors (see below), whose sum is σ = 432641728. Its totient is φ = 162240624.

The previous prime is 283921111. The next prime is 283921117. The reversal of 283921113 is 311129382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 283921113 - 21 = 283921111 is a prime.

It is a super-2 number, since 2×2839211132 = 161222396814317538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283921111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6760006 + ... + 6760047.

It is an arithmetic number, because the mean of its divisors is an integer number (54080216).

Almost surely, 2283921113 is an apocalyptic number.

It is an amenable number.

283921113 is a deficient number, since it is larger than the sum of its proper divisors (148720615).

283921113 is a wasteful number, since it uses less digits than its factorization.

283921113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520063.

The product of its digits is 2592, while the sum is 30.

The square root of 283921113 is about 16849.9588426797. The cubic root of 283921113 is about 657.2529785724.

The spelling of 283921113 in words is "two hundred eighty-three million, nine hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 3 7 21 13520053 40560159 94640371 283921113