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1103052144 = 243191209487
BaseRepresentation
bin100000110111111…
…0011110101110000
32211212120212002010
41001233303311300
54224340132034
6301242122520
736222534315
oct10157636560
92755525063
101103052144
1151670a447
122694b0440
131476abc9c
14a66d4d0c
1566c8a3e9
hex41bf3d70

1103052144 has 40 divisors (see below), whose sum is σ = 2999530240. Its totient is φ = 348331968.

The previous prime is 1103052143. The next prime is 1103052161. The reversal of 1103052144 is 4412503011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103052144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103052143) 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 7 ways as a sum of consecutive naturals, for example, 603832 + ... + 605655.

It is an arithmetic number, because the mean of its divisors is an integer number (74988256).

Almost surely, 21103052144 is an apocalyptic number.

It is an amenable number.

1103052144 is an abundant number, since it is smaller than the sum of its proper divisors (1896478096).

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

1103052144 is a wasteful number, since it uses less digits than its factorization.

1103052144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209517 (or 1209511 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1103052144 is about 33212.2288321636. The cubic root of 1103052144 is about 1033.2339815220.

Adding to 1103052144 its reverse (4412503011), we get a palindrome (5515555155).

The spelling of 1103052144 in words is "one billion, one hundred three million, fifty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 1209487 2418974 3628461 4837948 7256922 9675896 14513844 19351792 22980253 29027688 45960506 58055376 68940759 91921012 137881518 183842024 275763036 367684048 551526072 1103052144