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1906290064 = 24719895813
BaseRepresentation
bin111000110011111…
…1010110110010000
311220212000120100201
41301213322312100
512401002240224
6513054224544
765145124660
oct16147726620
94825016321
101906290064
11899061a38
124524b5154
13244c268b3
141412641a0
15b2551a44
hex719fad90

1906290064 has 40 divisors (see below), whose sum is σ = 4443237440. Its totient is φ = 773981568.

The previous prime is 1906290049. The next prime is 1906290101. The reversal of 1906290064 is 4600926091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445779 + ... + 450034.

It is an arithmetic number, because the mean of its divisors is an integer number (111080936).

Almost surely, 21906290064 is an apocalyptic number.

1906290064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1906290064 is an abundant number, since it is smaller than the sum of its proper divisors (2536947376).

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

1906290064 is a wasteful number, since it uses less digits than its factorization.

1906290064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895847 (or 895841 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1906290064 is about 43661.0818006151. The cubic root of 1906290064 is about 1239.9276024329.

The spelling of 1906290064 in words is "one billion, nine hundred six million, two hundred ninety thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 895813 1791626 3583252 6270691 7166504 12541382 14333008 17020447 25082764 34040894 50165528 68081788 100331056 119143129 136163576 238286258 272327152 476572516 953145032 1906290064