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11752045 = 52350409
BaseRepresentation
bin101100110101…
…001001101101
3211010001202221
4230311021231
511002031140
61055515341
7201614344
oct54651155
924101687
1011752045
1166a7538
123b28b51
132586196
1417bcb5b
15107214a
hexb3526d

11752045 has 4 divisors (see below), whose sum is σ = 14102460. Its totient is φ = 9401632.

The previous prime is 11752019. The next prime is 11752087. The reversal of 11752045 is 54025711.

11752045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8590761 + 3161284 = 2931^2 + 1778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11752045 is a prime.

It is a super-2 number, since 2×117520452 = 276221123364050, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1175200 + ... + 1175209.

It is an arithmetic number, because the mean of its divisors is an integer number (3525615).

Almost surely, 211752045 is an apocalyptic number.

It is an amenable number.

11752045 is a deficient number, since it is larger than the sum of its proper divisors (2350415).

11752045 is an equidigital number, since it uses as much as digits as its factorization.

11752045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350414.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 11752045 is about 3428.1255811303. The cubic root of 11752045 is about 227.3549854727.

Adding to 11752045 its reverse (54025711), we get a palindrome (65777756).

The spelling of 11752045 in words is "eleven million, seven hundred fifty-two thousand, forty-five".

Divisors: 1 5 2350409 11752045