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2830008609 = 321911646311
BaseRepresentation
bin1010100010101110…
…1000000100100001
321022020011022222200
42220223220010201
521243440233414
61144452523413
7130062450651
oct25053500441
97266138880
102830008609
11122251439a
1266b920569
1336140610c
141cbbd6361
151186b6109
hexa8ae8121

2830008609 has 12 divisors (see below), whose sum is σ = 4109194752. Its totient is φ = 1876793400.

The previous prime is 2830008551. The next prime is 2830008611. The reversal of 2830008609 is 9068000382.

It is not a de Polignac number, because 2830008609 - 28 = 2830008353 is a prime.

It is a super-2 number, since 2×28300086092 = 16017897454028229762, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2830078609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821437 + ... + 824874.

It is an arithmetic number, because the mean of its divisors is an integer number (342432896).

Almost surely, 22830008609 is an apocalyptic number.

It is an amenable number.

2830008609 is a deficient number, since it is larger than the sum of its proper divisors (1279186143).

2830008609 is a wasteful number, since it uses less digits than its factorization.

2830008609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646508 (or 1646505 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2830008609 is about 53197.8252281050. The cubic root of 2830008609 is about 1414.4770939712.

The spelling of 2830008609 in words is "two billion, eight hundred thirty million, eight thousand, six hundred nine".

Divisors: 1 3 9 191 573 1719 1646311 4938933 14816799 314445401 943336203 2830008609