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8725484444 = 2210920012579
BaseRepresentation
bin10000010000001010…
…00101001110011100
3211112002112112110112
420020011011032130
5120332211000234
64001453225152
7426140252105
oct101005051634
924462475415
108725484444
113778343676
1218361921b8
13a90936061
145cab973ac
15361053ace
hex20814539c

8725484444 has 12 divisors (see below), whose sum is σ = 15409686600. Its totient is φ = 4322716848.

The previous prime is 8725484441. The next prime is 8725484479. The reversal of 8725484444 is 4444845278.

It is a super-2 number, since 2×87254844442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8725484392 and 8725484401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725484441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10005854 + ... + 10006725.

It is an arithmetic number, because the mean of its divisors is an integer number (1284140550).

Almost surely, 28725484444 is an apocalyptic number.

It is an amenable number.

8725484444 is a deficient number, since it is larger than the sum of its proper divisors (6684202156).

8725484444 is a wasteful number, since it uses less digits than its factorization.

8725484444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012692 (or 20012690 counting only the distinct ones).

The product of its digits is 4587520, while the sum is 50.

The square root of 8725484444 is about 93410.3015946314. The cubic root of 8725484444 is about 2058.7163621428.

The spelling of 8725484444 in words is "eight billion, seven hundred twenty-five million, four hundred eighty-four thousand, four hundred forty-four".

Divisors: 1 2 4 109 218 436 20012579 40025158 80050316 2181371111 4362742222 8725484444