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2281461852 = 223190121821
BaseRepresentation
bin1000011111111100…
…0101100001011100
312212222222021022010
42013333011201130
514133023234402
61014215351220
7110352051165
oct20777054134
95788867263
102281461852
11a7090a06a
12538082510
132a4884237
1417900476c
15d545da6c
hex87fc585c

2281461852 has 12 divisors (see below), whose sum is σ = 5323411016. Its totient is φ = 760487280.

The previous prime is 2281461821. The next prime is 2281461857. The reversal of 2281461852 is 2581641822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2281461852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281461857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95060899 + ... + 95060922.

Almost surely, 22281461852 is an apocalyptic number.

It is an amenable number.

2281461852 is an abundant number, since it is smaller than the sum of its proper divisors (3041949164).

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

2281461852 is a wasteful number, since it uses less digits than its factorization.

2281461852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190121828 (or 190121826 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 2281461852 is about 47764.6506529672. The cubic root of 2281461852 is about 1316.4501059484.

It can be divided in two parts, 22814 and 61852, that added together give a triangular number (84666 = T411).

The spelling of 2281461852 in words is "two billion, two hundred eighty-one million, four hundred sixty-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 190121821 380243642 570365463 760487284 1140730926 2281461852