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2245400540 = 225112270027
BaseRepresentation
bin1000010111010110…
…0001011111011100
312210111010011110222
42011311201133130
514044310304130
61010450420512
7106433406155
oct20565413734
95714104428
102245400540
11a52519729
12527b91738
1329a269396
141742d892c
15d21d8ce5
hex85d617dc

2245400540 has 12 divisors (see below), whose sum is σ = 4715341176. Its totient is φ = 898160208.

The previous prime is 2245400501. The next prime is 2245400567. The reversal of 2245400540 is 450045422.

It is a congruent number.

It is an unprimeable number.

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, 56134994 + ... + 56135033.

It is an arithmetic number, because the mean of its divisors is an integer number (392945098).

Almost surely, 22245400540 is an apocalyptic number.

2245400540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245400540 is an abundant number, since it is smaller than the sum of its proper divisors (2469940636).

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

2245400540 is a wasteful number, since it uses less digits than its factorization.

2245400540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112270036 (or 112270034 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2245400540 is about 47385.6575347436. The cubic root of 2245400540 is about 1309.4771994627.

Adding to 2245400540 its reverse (450045422), we get a palindrome (2695445962).

The spelling of 2245400540 in words is "two billion, two hundred forty-five million, four hundred thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 112270027 224540054 449080108 561350135 1122700270 2245400540