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1894201300 = 225218942013
BaseRepresentation
bin111000011100111…
…0011011111010100
311220000021101200201
41300321303133110
512334403420200
6511543150244
764640305525
oct16071633724
94800241621
101894201300
11892255522
1244a445384
13242583394
1413d7d884c
15b1464c6a
hex70e737d4

1894201300 has 18 divisors (see below), whose sum is σ = 4110417038. Its totient is φ = 757680480.

The previous prime is 1894201279. The next prime is 1894201301. The reversal of 1894201300 is 31024981.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 37797904 + 1856403396 = 6148^2 + 43086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894201301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9470907 + ... + 9471106.

Almost surely, 21894201300 is an apocalyptic number.

1894201300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1894201300 is an abundant number, since it is smaller than the sum of its proper divisors (2216215738).

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

1894201300 is a wasteful number, since it uses less digits than its factorization.

1894201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942027 (or 18942020 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1894201300 is about 43522.4229564486. The cubic root of 1894201300 is about 1237.3010366111.

The spelling of 1894201300 in words is "one billion, eight hundred ninety-four million, two hundred one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 18942013 37884026 75768052 94710065 189420130 378840260 473550325 947100650 1894201300