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11006945 = 53759497
BaseRepresentation
bin101001111111…
…001111100001
3202201012200122
4221333033201
510304210240
61031530025
7162362135
oct51771741
922635618
1011006945
116238754
123829915
132384cb1
1416673c5
15e764b5
hexa7f3e1

11006945 has 8 divisors (see below), whose sum is σ = 13565544. Its totient is φ = 8567424.

The previous prime is 11006927. The next prime is 11006959. The reversal of 11006945 is 54960011.

It can be written as a sum of positive squares in 4 ways, for example, as 3411409 + 7595536 = 1847^2 + 2756^2 .

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

It is not a de Polignac number, because 11006945 - 214 = 10990561 is a prime.

It is a Duffinian 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, 29564 + ... + 29933.

It is an arithmetic number, because the mean of its divisors is an integer number (1695693).

Almost surely, 211006945 is an apocalyptic number.

It is an amenable number.

11006945 is a deficient number, since it is larger than the sum of its proper divisors (2558599).

11006945 is an equidigital number, since it uses as much as digits as its factorization.

11006945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59539.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 11006945 is about 3317.6716232925. The cubic root of 11006945 is about 222.4448038820. Note that the first 3 decimals are identical.

Adding to 11006945 its reverse (54960011), we get a palindrome (65966956).

The spelling of 11006945 in words is "eleven million, six thousand, nine hundred forty-five".

Divisors: 1 5 37 185 59497 297485 2201389 11006945