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4789520538 = 2311121759629
BaseRepresentation
bin1000111010111101…
…00100100010011010
3110100210022212000120
410131132210202122
534302104124123
62111132014110
7226455152505
oct43536444232
913323285016
104789520538
112038617740
12b18001336
135b437572a
1433615213c
151d072c2e3
hex11d7a489a

4789520538 has 32 divisors (see below), whose sum is σ = 10458624960. Its totient is φ = 1450152960.

The previous prime is 4789520531. The next prime is 4789520569. The reversal of 4789520538 is 8350259874.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4789520531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50508 + ... + 110136.

It is an arithmetic number, because the mean of its divisors is an integer number (326832030).

Almost surely, 24789520538 is an apocalyptic number.

4789520538 is an abundant number, since it is smaller than the sum of its proper divisors (5669104422).

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

4789520538 is a wasteful number, since it uses less digits than its factorization.

4789520538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60862.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The square root of 4789520538 is about 69206.3619763386. The cubic root of 4789520538 is about 1685.6368360656.

The spelling of 4789520538 in words is "four billion, seven hundred eighty-nine million, five hundred twenty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 1217 2434 3651 7302 13387 26774 40161 59629 80322 119258 178887 357774 655919 1311838 1967757 3935514 72568493 145136986 217705479 435410958 798253423 1596506846 2394760269 4789520538