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11380789 = 72298009
BaseRepresentation
bin101011011010…
…100000110101
3210102012111201
4223122200311
510403141124
61043532501
7165510100
oct53324065
923365451
1011380789
116473612
12398a131
1324861c4
141723737
15eec144
hexada835

11380789 has 12 divisors (see below), whose sum is σ = 13697100. Its totient is φ = 9417408.

The previous prime is 11380783. The next prime is 11380801. The reversal of 11380789 is 98708311.

11380789 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 2 ways, for example, as 6671889 + 4708900 = 2583^2 + 2170^2 .

It is not a de Polignac number, because 11380789 - 25 = 11380757 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 (11380783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2584 + ... + 5425.

It is an arithmetic number, because the mean of its divisors is an integer number (1141425).

Almost surely, 211380789 is an apocalyptic number.

It is an amenable number.

11380789 is a deficient number, since it is larger than the sum of its proper divisors (2316311).

11380789 is an equidigital number, since it uses as much as digits as its factorization.

11380789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052 (or 8045 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 11380789 is about 3373.5425001028. The cubic root of 11380789 is about 224.9352175635.

The spelling of 11380789 in words is "eleven million, three hundred eighty thousand, seven hundred eighty-nine".

Divisors: 1 7 29 49 203 1421 8009 56063 232261 392441 1625827 11380789