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2068880394 = 23749259057
BaseRepresentation
bin111101101010000…
…1001110000001010
312100011222000100210
41323110021300022
513214113133034
6541143141550
7102161123160
oct17324116012
95304860323
102068880394
11971913509
12498a448b6
1326c8133a9
14158aa9230
15c196b8e9
hex7b509c0a

2068880394 has 16 divisors (see below), whose sum is σ = 4728869568. Its totient is φ = 591108672.

The previous prime is 2068880393. The next prime is 2068880423. The reversal of 2068880394 is 4930888602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2068880393) 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, 24629487 + ... + 24629570.

It is an arithmetic number, because the mean of its divisors is an integer number (295554348).

Almost surely, 22068880394 is an apocalyptic number.

2068880394 is an abundant number, since it is smaller than the sum of its proper divisors (2659989174).

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

2068880394 is a wasteful number, since it uses less digits than its factorization.

2068880394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49259069.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 2068880394 is about 45484.9468945496. The cubic root of 2068880394 is about 1274.2220847908. Note that the first 3 decimals are identical.

The spelling of 2068880394 in words is "two billion, sixty-eight million, eight hundred eighty thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49259057 98518114 147777171 295554342 344813399 689626798 1034440197 2068880394