Search a number
-
+
52578025848 = 2332730250359
BaseRepresentation
bin110000111101111001…
…010000000101111000
312000201020211110020200
4300331321100011320
51330134433311343
640053133322200
73540634563045
oct607571200570
9160636743220
1052578025848
1120330a1a027
12a234336360
134c5bbbaaca
14278ac921cc
15157ad844d3
hexc3de50178

52578025848 has 24 divisors (see below), whose sum is σ = 142398820200. Its totient is φ = 17526008592.

The previous prime is 52578025837. The next prime is 52578025859. The reversal of 52578025848 is 84852087525.

52578025848 is a `hidden beast` number, since 5 + 2 + 57 + 8 + 0 + 2 + 584 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (52578025837) and next prime (52578025859).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×525780258482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52578025794 and 52578025803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 365125108 + ... + 365125251.

It is an arithmetic number, because the mean of its divisors is an integer number (5933284175).

Almost surely, 252578025848 is an apocalyptic number.

It is an amenable number.

52578025848 is an abundant number, since it is smaller than the sum of its proper divisors (89820794352).

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

52578025848 is a wasteful number, since it uses less digits than its factorization.

52578025848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730250371 (or 730250364 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 54.

The spelling of 52578025848 in words is "fifty-two billion, five hundred seventy-eight million, twenty-five thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 730250359 1460500718 2190751077 2921001436 4381502154 5842002872 6572253231 8763004308 13144506462 17526008616 26289012924 52578025848