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2068403908 = 222817692393
BaseRepresentation
bin111101101001001…
…0101011011000100
312100011001210202011
41323102111123010
513214002411113
6541125024004
7102154100044
oct17322253304
95304053664
102068403908
1197161851a
12498855004
1326c6a754c
141589c3724
15c18c563d
hex7b4956c4

2068403908 has 24 divisors (see below), whose sum is σ = 3638832120. Its totient is φ = 1028751360.

The previous prime is 2068403899. The next prime is 2068403941. The reversal of 2068403908 is 8093048602.

It can be written as a sum of positive squares in 4 ways, for example, as 23736384 + 2044667524 = 4872^2 + 45218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863160 + ... + 865552.

It is an arithmetic number, because the mean of its divisors is an integer number (151618005).

Almost surely, 22068403908 is an apocalyptic number.

It is an amenable number.

2068403908 is a deficient number, since it is larger than the sum of its proper divisors (1570428212).

2068403908 is a wasteful number, since it uses less digits than its factorization.

2068403908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2068403908 is about 45479.7087501668. The cubic root of 2068403908 is about 1274.1242548078.

The spelling of 2068403908 in words is "two billion, sixty-eight million, four hundred three thousand, nine hundred eight".

Divisors: 1 2 4 281 562 769 1124 1538 2393 3076 4786 9572 216089 432178 672433 864356 1344866 1840217 2689732 3680434 7360868 517100977 1034201954 2068403908