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1920674848 = 254112711527
BaseRepresentation
bin111001001111011…
…0010110000100000
311221212002101120111
41302132302300200
512413143043343
6514330421104
765411316061
oct16236626040
94855071514
101920674848
118a6197494
12457291794
13247bc21c1
1414312a568
15b3943c9d
hex727b2c20

1920674848 has 48 divisors (see below), whose sum is σ = 3904395264. Its totient is φ = 929456640.

The previous prime is 1920674839. The next prime is 1920674867. The reversal of 1920674848 is 8484760291.

It is a happy number.

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, 160861 + ... + 172387.

It is an arithmetic number, because the mean of its divisors is an integer number (81341568).

Almost surely, 21920674848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1920674848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952197632).

1920674848 is an abundant number, since it is smaller than the sum of its proper divisors (1983720416).

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

1920674848 is a wasteful number, since it uses less digits than its factorization.

1920674848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705 (or 11697 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 1920674848 is about 43825.5045378830. The cubic root of 1920674848 is about 1243.0386040492.

The spelling of 1920674848 in words is "one billion, nine hundred twenty million, six hundred seventy-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 16 32 41 82 127 164 254 328 508 656 1016 1312 2032 4064 5207 10414 11527 20828 23054 41656 46108 83312 92216 166624 184432 368864 472607 945214 1463929 1890428 2927858 3780856 5855716 7561712 11711432 15123424 23422864 46845728 60021089 120042178 240084356 480168712 960337424 1920674848