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2008676140 = 225175907871
BaseRepresentation
bin111011110111001…
…1111011100101100
312011222200022122121
41313232133130230
513103210114030
6531152522324
7100530315442
oct16756373454
95158608577
102008676140
11940933129
124808503a4
132601c4483
14150ab6b92
15bb52847a
hex77b9f72c

2008676140 has 24 divisors (see below), whose sum is σ = 4466351232. Its totient is φ = 756207360.

The previous prime is 2008676129. The next prime is 2008676149. The reversal of 2008676140 is 416768002.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2008676096 and 2008676105.

It is not an unprimeable number, because it can be changed into a prime (2008676149) 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, 2953596 + ... + 2954275.

It is an arithmetic number, because the mean of its divisors is an integer number (186097968).

Almost surely, 22008676140 is an apocalyptic number.

2008676140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2008676140 is an abundant number, since it is smaller than the sum of its proper divisors (2457675092).

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

2008676140 is a wasteful number, since it uses less digits than its factorization.

2008676140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907897 (or 5907895 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2008676140 is about 44818.2567710972. The cubic root of 2008676140 is about 1261.7402969880.

The spelling of 2008676140 in words is "two billion, eight million, six hundred seventy-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 5907871 11815742 23631484 29539355 59078710 100433807 118157420 200867614 401735228 502169035 1004338070 2008676140