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11374021 = 16097069
BaseRepresentation
bin101011011000…
…110111000101
3210101212020001
4223120313011
510402432041
61043441301
7165451261
oct53306705
923355201
1011374021
11646951a
123986231
1324830b9
1417210a1
15eea131
hexad8dc5

11374021 has 4 divisors (see below), whose sum is σ = 11382700. Its totient is φ = 11365344.

The previous prime is 11374009. The next prime is 11374031. The reversal of 11374021 is 12047311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8328996 + 3045025 = 2886^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 11374021 - 27 = 11373893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11374021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11374031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (2845675).

Almost surely, 211374021 is an apocalyptic number.

It is an amenable number.

11374021 is a deficient number, since it is larger than the sum of its proper divisors (8679).

11374021 is an equidigital number, since it uses as much as digits as its factorization.

11374021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11374021 is about 3372.5392510688. The cubic root of 11374021 is about 224.8906200865.

The spelling of 11374021 in words is "eleven million, three hundred seventy-four thousand, twenty-one".

Divisors: 1 1609 7069 11374021