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11872075 = 52587809
BaseRepresentation
bin101101010010…
…011101001011
3211100011102111
4231102131023
511014401300
61102243151
7202624315
oct55223513
924304374
1011872075
116779736
123b864b7
1325c89c7
1418107b5
1510979ba
hexb5274b

11872075 has 12 divisors (see below), whose sum is σ = 14764680. Its totient is φ = 9469760.

The previous prime is 11872057. The next prime is 11872097. The reversal of 11872075 is 57027811.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-11872075 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14271 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 211872075 is an apocalyptic number.

11872075 is a deficient number, since it is larger than the sum of its proper divisors (2892605).

11872075 is an equidigital number, since it uses as much as digits as its factorization.

11872075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 11872075 is about 3445.5877582787. The cubic root of 11872075 is about 228.1263983151.

Adding to 11872075 its reverse (57027811), we get a palindrome (68899886).

The spelling of 11872075 in words is "eleven million, eight hundred seventy-two thousand, seventy-five".

Divisors: 1 5 25 587 809 2935 4045 14675 20225 474883 2374415 11872075