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11621045 = 55343853
BaseRepresentation
bin101100010101…
…001010110101
3210212102002002
4230111022311
510433333140
61053025045
7200530412
oct54251265
923772062
1011621045
116618077
123a85185
13253b677
141787109
151048415
hexb152b5

11621045 has 8 divisors (see below), whose sum is σ = 14208696. Its totient is φ = 9121216.

The previous prime is 11621039. The next prime is 11621119. The reversal of 11621045 is 54012611.

11621045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 11015761 = 778^2 + 3319^2 .

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 11621045 - 28 = 11620789 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, 21662 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (1776087).

Almost surely, 211621045 is an apocalyptic number.

It is an amenable number.

11621045 is a deficient number, since it is larger than the sum of its proper divisors (2587651).

11621045 is an equidigital number, since it uses as much as digits as its factorization.

11621045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43911.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11621045 is about 3408.9653855679. The cubic root of 11621045 is about 226.5070519403.

Adding to 11621045 its reverse (54012611), we get a palindrome (65633656).

The spelling of 11621045 in words is "eleven million, six hundred twenty-one thousand, forty-five".

Divisors: 1 5 53 265 43853 219265 2324209 11621045