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2528474081 = 7715087473
BaseRepresentation
bin1001011010110101…
…0111001111100001
320112012202210101012
42112231113033201
520134242132311
61054521550305
7116441450360
oct22655271741
96465683335
102528474081
111088292001
125a6945395
13313abba13
1419db437d7
15ebea278b
hex96b573e1

2528474081 has 8 divisors (see below), whose sum is σ = 2930385024. Its totient is φ = 2136738240.

The previous prime is 2528474051. The next prime is 2528474129. The reversal of 2528474081 is 1804748252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2528474081 - 218 = 2528211937 is a prime.

It is a super-2 number, since 2×25284740812 = 12786362356577589122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2528474051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543240 + ... + 2544233.

It is an arithmetic number, because the mean of its divisors is an integer number (366298128).

Almost surely, 22528474081 is an apocalyptic number.

It is an amenable number.

2528474081 is a deficient number, since it is larger than the sum of its proper divisors (401910943).

2528474081 is an equidigital number, since it uses as much as digits as its factorization.

2528474081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087551.

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 2528474081 is about 50283.9346213082. The cubic root of 2528474081 is about 1362.3420718223.

The spelling of 2528474081 in words is "two billion, five hundred twenty-eight million, four hundred seventy-four thousand, eighty-one".

Divisors: 1 7 71 497 5087473 35612311 361210583 2528474081