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11627021 = 71661003
BaseRepresentation
bin101100010110…
…101000001101
3210212201021102
4230112220031
510434031041
61053112445
7200554010
oct54265015
923781242
1011627021
11662160a
123a88725
1325412c3
141789377
15104a09b
hexb16a0d

11627021 has 4 divisors (see below), whose sum is σ = 13288032. Its totient is φ = 9966012.

The previous prime is 11627009. The next prime is 11627039. The reversal of 11627021 is 12072611.

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 11627021 - 26 = 11626957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11626984 and 11627002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11627051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830495 + ... + 830508.

It is an arithmetic number, because the mean of its divisors is an integer number (3322008).

Almost surely, 211627021 is an apocalyptic number.

It is an amenable number.

11627021 is a deficient number, since it is larger than the sum of its proper divisors (1661011).

11627021 is an equidigital number, since it uses as much as digits as its factorization.

11627021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661010.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 11627021 is about 3409.8417851859. The cubic root of 11627021 is about 226.5458715755.

Adding to 11627021 its reverse (12072611), we get a palindrome (23699632).

The spelling of 11627021 in words is "eleven million, six hundred twenty-seven thousand, twenty-one".

Divisors: 1 7 1661003 11627021