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2885301225 = 325235812
BaseRepresentation
bin1010101111111010…
…0011001111101001
321110002012111012100
42223332203033221
521402114114400
61154150004013
7131333440632
oct25376431751
97402174170
102885301225
11125074a574
12686346609
1336c9c5541
141d52aa889
1511d489100
hexabfa33e9

2885301225 has 27 divisors (see below), whose sum is σ = 5169338629. Its totient is φ = 1538397600.

The previous prime is 2885301197. The next prime is 2885301227. The reversal of 2885301225 is 5221035882.

The square root of 2885301225 is 53715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 264680361 + 2620620864 = 16269^2 + 51192^2 .

It is a de Polignac number, because none of the positive numbers 2k-2885301225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2885301225.

It is not an unprimeable number, because it can be changed into a prime (2885301227) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 803935 + ... + 807515.

Almost surely, 22885301225 is an apocalyptic number.

2885301225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2885301225 is the 53715-th square number.

2885301225 is the 26858-th centered octagonal number.

It is an amenable number.

2885301225 is a deficient number, since it is larger than the sum of its proper divisors (2284037404).

2885301225 is an frugal number, since it uses more digits than its factorization.

2885301225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178 (or 3589 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The cubic root of 2885301225 is about 1423.6297446737.

Multiplying 2885301225 by its sum of digits (36), we get a square (103870844100 = 3222902).

The spelling of 2885301225 in words is "two billion, eight hundred eighty-five million, three hundred one thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 3581 10743 17905 32229 53715 89525 161145 268575 805725 12823561 38470683 64117805 115412049 192353415 320589025 577060245 961767075 2885301225