Search a number
-
+
11512045 = 57273167
BaseRepresentation
bin101011111010…
…100011101101
3210122212120001
4223322203231
510421341140
61050424301
7166564546
oct53724355
923585501
1011512045
116553196
123a32091
132500b7c
1417594cd
151025e9a
hexafa8ed

11512045 has 8 divisors (see below), whose sum is σ = 13837824. Its totient is φ = 9194064.

The previous prime is 11512037. The next prime is 11512051. The reversal of 11512045 is 54021511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11512045 - 23 = 11512037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 211512045 is an apocalyptic number.

It is an amenable number.

11512045 is a deficient number, since it is larger than the sum of its proper divisors (2325779).

11512045 is an equidigital number, since it uses as much as digits as its factorization.

11512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 11512045 is about 3392.9404651423. The cubic root of 11512045 is about 225.7966492552.

Adding to 11512045 its reverse (54021511), we get a palindrome (65533556).

The spelling of 11512045 in words is "eleven million, five hundred twelve thousand, forty-five".

Divisors: 1 5 727 3167 3635 15835 2302409 11512045