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11080389 = 33693463
BaseRepresentation
bin101010010001…
…001011000101
3202211221102210
4222101023011
510314033024
61033254033
7163116225
oct52211305
922757383
1011080389
116288951
123864319
1323ac558
141686085
15e8d129
hexa912c5

11080389 has 4 divisors (see below), whose sum is σ = 14773856. Its totient is φ = 7386924.

The previous prime is 11080387. The next prime is 11080409. The reversal of 11080389 is 98308011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11080389 - 21 = 11080387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11080387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846729 + ... + 1846734.

It is an arithmetic number, because the mean of its divisors is an integer number (3693464).

Almost surely, 211080389 is an apocalyptic number.

It is an amenable number.

11080389 is a deficient number, since it is larger than the sum of its proper divisors (3693467).

11080389 is an equidigital number, since it uses as much as digits as its factorization.

11080389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693466.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11080389 is about 3328.7218267677. The cubic root of 11080389 is about 222.9384629147.

The spelling of 11080389 in words is "eleven million, eighty thousand, three hundred eighty-nine".

Divisors: 1 3 3693463 11080389