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2575665752 = 231131947997
BaseRepresentation
bin1001100110000101…
…1000101001011000
320122111120101011212
42121201120221120
520233332301002
61103325242252
7120553540412
oct23141305130
96574511155
102575665752
111101994890
125ba703388
13320802a9a
141a61099b2
151011c5352
hex99858a58

2575665752 has 64 divisors (see below), whose sum is σ = 5449559040. Its totient is φ = 1130659200.

The previous prime is 2575665737. The next prime is 2575665773.

2575665752 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2575665752.

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 15 ways as a sum of consecutive naturals, for example, 2582918 + ... + 2583914.

It is an arithmetic number, because the mean of its divisors is an integer number (85149360).

Almost surely, 22575665752 is an apocalyptic number.

2575665752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2575665752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2724779520).

2575665752 is an abundant number, since it is smaller than the sum of its proper divisors (2873893288).

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

2575665752 is a wasteful number, since it uses less digits than its factorization.

2575665752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1988 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 50.

The square root of 2575665752 is about 50751.0172508887. The cubic root of 2575665752 is about 1370.7655075007.

The spelling of 2575665752 in words is "two billion, five hundred seventy-five million, six hundred sixty-five thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 947 997 1364 1894 1994 2728 3788 3988 7576 7976 10417 10967 20834 21934 29357 30907 41668 43868 58714 61814 83336 87736 117428 123628 234856 247256 322927 339977 645854 679954 944159 1291708 1359908 1888318 2583416 2719816 3776636 7553272 10385749 20771498 29268929 41542996 58537858 83085992 117075716 234151432 321958219 643916438 1287832876 2575665752