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11880073 = 19625267
BaseRepresentation
bin101101010100…
…011010001001
3211100120101201
4231110122021
511020130243
61102344201
7202656532
oct55243211
924316351
1011880073
116784747
123b8b061
1325cc53a
141813689
15109a04d
hexb54689

11880073 has 4 divisors (see below), whose sum is σ = 12505360. Its totient is φ = 11254788.

The previous prime is 11880067. The next prime is 11880079. The reversal of 11880073 is 37008811.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (11880067) and next prime (11880079).

It is a cyclic number.

It is not a de Polignac number, because 11880073 - 25 = 11880041 is a prime.

It is a super-2 number, since 2×118800732 = 282272268970658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11880079) 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, 312615 + ... + 312652.

It is an arithmetic number, because the mean of its divisors is an integer number (3126340).

Almost surely, 211880073 is an apocalyptic number.

It is an amenable number.

11880073 is a deficient number, since it is larger than the sum of its proper divisors (625287).

11880073 is an equidigital number, since it uses as much as digits as its factorization.

11880073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625286.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 11880073 is about 3446.7481776306. The cubic root of 11880073 is about 228.1776150109.

Adding to 11880073 its reverse (37008811), we get a palindrome (48888884).

The spelling of 11880073 in words is "eleven million, eight hundred eighty thousand, seventy-three".

Divisors: 1 19 625267 11880073