Search a number
-
+
4378752448 = 2679774001
BaseRepresentation
bin1000001001111111…
…00111010111000000
3102022011101200010121
410010333213113000
532431430034243
62002255510024
7213336532060
oct40477472700
912264350117
104378752448
111947767584
12a22528314
1354a233aa5
142d77873a0
151a963d1ed
hex104fe75c0

4378752448 has 28 divisors (see below), whose sum is σ = 9930386032. Its totient is φ = 1876608000.

The previous prime is 4378752439. The next prime is 4378752473. The reversal of 4378752448 is 8442578734.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 4378752395 and 4378752404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886553 + ... + 4887448.

It is an arithmetic number, because the mean of its divisors is an integer number (354656644).

Almost surely, 24378752448 is an apocalyptic number.

It is an amenable number.

4378752448 is an abundant number, since it is smaller than the sum of its proper divisors (5551633584).

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

4378752448 is an equidigital number, since it uses as much as digits as its factorization.

4378752448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9774020 (or 9774010 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 52.

The square root of 4378752448 is about 66172.1425374757. The cubic root of 4378752448 is about 1636.0006217081. Note that the first 3 decimals are identical.

The spelling of 4378752448 in words is "four billion, three hundred seventy-eight million, seven hundred fifty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 9774001 19548002 39096004 68418007 78192008 136836014 156384016 273672028 312768032 547344056 625536064 1094688112 2189376224 4378752448