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1896634896 = 2431315120129
BaseRepresentation
bin111000100001100…
…0101101000010000
311220011212000221220
41301003011220100
512341014304041
6512111245040
765000062542
oct16103055020
94804760856
101896634896
11893667962
1244b219780
13242c25c90
1413dc6d692
15b1795d66
hex710c5a10

1896634896 has 80 divisors (see below), whose sum is σ = 5311743360. Its totient is φ = 579686400.

The previous prime is 1896634877. The next prime is 1896634913. The reversal of 1896634896 is 6984366981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84160 + ... + 104288.

It is an arithmetic number, because the mean of its divisors is an integer number (66396792).

Almost surely, 21896634896 is an apocalyptic number.

1896634896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1896634896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655871680).

1896634896 is an abundant number, since it is smaller than the sum of its proper divisors (3415108464).

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

1896634896 is a wasteful number, since it uses less digits than its factorization.

1896634896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304 (or 20298 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The square root of 1896634896 is about 43550.3719387102. The cubic root of 1896634896 is about 1237.8306885656.

The spelling of 1896634896 in words is "one billion, eight hundred ninety-six million, six hundred thirty-four thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 151 156 208 302 312 453 604 624 906 1208 1812 1963 2416 3624 3926 5889 7248 7852 11778 15704 20129 23556 31408 40258 47112 60387 80516 94224 120774 161032 241548 261677 322064 483096 523354 785031 966192 1046708 1570062 2093416 3039479 3140124 4186832 6078958 6280248 9118437 12157916 12560496 18236874 24315832 36473748 39513227 48631664 72947496 79026454 118539681 145894992 158052908 237079362 316105816 474158724 632211632 948317448 1896634896