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2528746969 = 72471098023
BaseRepresentation
bin1001011010111001…
…1001110111011001
320112020021122201011
42112232121313121
520134324400334
61054531453521
7116443665100
oct22656316731
96466248634
102528746969
111088459031
125a6a572a1
13313b85ca8
1419dbb5037
15ec008564
hex96b99dd9

2528746969 has 12 divisors (see below), whose sum is σ = 3004193664. Its totient is φ = 2121378504.

The previous prime is 2528746951. The next prime is 2528747047. The reversal of 2528746969 is 9696478252.

It is not a de Polignac number, because 2528746969 - 29 = 2528746457 is a prime.

It is a super-2 number, since 2×25287469692 = 12789122466453373922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528746949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546709 + ... + 551314.

It is an arithmetic number, because the mean of its divisors is an integer number (250349472).

Almost surely, 22528746969 is an apocalyptic number.

It is an amenable number.

2528746969 is a deficient number, since it is larger than the sum of its proper divisors (475446695).

2528746969 is a wasteful number, since it uses less digits than its factorization.

2528746969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098084 (or 1098077 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 2528746969 is about 50286.6480191313. The cubic root of 2528746969 is about 1362.3910807525.

The spelling of 2528746969 in words is "two billion, five hundred twenty-eight million, seven hundred forty-six thousand, nine hundred sixty-nine".

Divisors: 1 7 47 49 329 2303 1098023 7686161 51607081 53803127 361249567 2528746969