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2528812479 = 35315904481
BaseRepresentation
bin1001011010111010…
…1001110110111111
320112020101222120110
42112232221312333
520134333444404
61054533121103
7116444360064
oct22656516677
96466358513
102528812479
1110884a3276
125a6a89193
13313ba9a5b
1419dbd0c6b
15ec01cb89
hex96ba9dbf

2528812479 has 8 divisors (see below), whose sum is σ = 3435368112. Its totient is φ = 1654065920.

The previous prime is 2528812477. The next prime is 2528812493. The reversal of 2528812479 is 9742188252.

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

It is a cyclic number.

It is not a de Polignac number, because 2528812479 - 21 = 2528812477 is a prime.

It is a super-2 number, since 2×25288124792 = 12789785107892250882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528812477) 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, 7952082 + ... + 7952399.

It is an arithmetic number, because the mean of its divisors is an integer number (429421014).

Almost surely, 22528812479 is an apocalyptic number.

2528812479 is a deficient number, since it is larger than the sum of its proper divisors (906555633).

2528812479 is a wasteful number, since it uses less digits than its factorization.

2528812479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904537.

The product of its digits is 645120, while the sum is 48.

The square root of 2528812479 is about 50287.2993806587. The cubic root of 2528812479 is about 1362.4028454025.

The spelling of 2528812479 in words is "two billion, five hundred twenty-eight million, eight hundred twelve thousand, four hundred seventy-nine".

Divisors: 1 3 53 159 15904481 47713443 842937493 2528812479