[go: up one dir, main page]

Search a number
-
+
2485357520 = 24531066969
BaseRepresentation
bin1001010000100011…
…1000101111010000
320102012122020120112
42110020320233100
520042222420040
61050341500452
7115406122202
oct22410705720
96365566515
102485357520
111065a12988
12594411728
13307ba3769
1419811c772
15e82d7365
hex94238bd0

2485357520 has 20 divisors (see below), whose sum is σ = 5778456420. Its totient is φ = 994142976.

The previous prime is 2485357481. The next prime is 2485357543. The reversal of 2485357520 is 257535842.

It can be written as a sum of positive squares in 2 ways, for example, as 578113936 + 1907243584 = 24044^2 + 43672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15533405 + ... + 15533564.

It is an arithmetic number, because the mean of its divisors is an integer number (288922821).

Almost surely, 22485357520 is an apocalyptic number.

2485357520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485357520 is an abundant number, since it is smaller than the sum of its proper divisors (3293098900).

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

2485357520 is a wasteful number, since it uses less digits than its factorization.

2485357520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31066982 (or 31066976 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 2485357520 is about 49853.3601675955. The cubic root of 2485357520 is about 1354.5538978908.

The spelling of 2485357520 in words is "two billion, four hundred eighty-five million, three hundred fifty-seven thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 31066969 62133938 124267876 155334845 248535752 310669690 497071504 621339380 1242678760 2485357520