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2224405540 = 225715888611
BaseRepresentation
bin1000010010010101…
…1011110000100100
312202000121111202101
42010211123300210
514023421434130
61004420421444
7106060064230
oct20445336044
95660544671
102224405540
11a41689895
12520b47884
13295ac80c6
141715d15c0
15d043d1ca
hex8495bc24

2224405540 has 24 divisors (see below), whose sum is σ = 5338573632. Its totient is φ = 762653280.

The previous prime is 2224405529. The next prime is 2224405541. The reversal of 2224405540 is 455044222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2224405499 and 2224405508.

It is not an unprimeable number, because it can be changed into a prime (2224405541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7944166 + ... + 7944445.

It is an arithmetic number, because the mean of its divisors is an integer number (222440568).

Almost surely, 22224405540 is an apocalyptic number.

2224405540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224405540 is an abundant number, since it is smaller than the sum of its proper divisors (3114168092).

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

2224405540 is a wasteful number, since it uses less digits than its factorization.

2224405540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15888627 (or 15888625 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2224405540 is about 47163.6039759474. The cubic root of 2224405540 is about 1305.3831105092.

Adding to 2224405540 its reverse (455044222), we get a palindrome (2679449762).

The spelling of 2224405540 in words is "two billion, two hundred twenty-four million, four hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15888611 31777222 63554444 79443055 111220277 158886110 222440554 317772220 444881108 556101385 1112202770 2224405540