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11631061 = 133724181
BaseRepresentation
bin101100010111…
…100111010101
3210212220211001
4230113213111
510434143221
61053143301
7200601541
oct54274725
923786731
1011631061
116624652
123a8ab31
1325430b0
14178aa21
15104b391
hexb179d5

11631061 has 8 divisors (see below), whose sum is σ = 12864824. Its totient is φ = 10445760.

The previous prime is 11631029. The next prime is 11631071. The reversal of 11631061 is 16013611.

It can be written as a sum of positive squares in 4 ways, for example, as 3186225 + 8444836 = 1785^2 + 2906^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11631061 - 25 = 11631029 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 (11631071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11610 + ... + 12571.

It is an arithmetic number, because the mean of its divisors is an integer number (1608103).

Almost surely, 211631061 is an apocalyptic number.

It is an amenable number.

11631061 is a deficient number, since it is larger than the sum of its proper divisors (1233763).

11631061 is a wasteful number, since it uses less digits than its factorization.

11631061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24231.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11631061 is about 3410.4341365873. The cubic root of 11631061 is about 226.5721075688.

Adding to 11631061 its reverse (16013611), we get a palindrome (27644672).

The spelling of 11631061 in words is "eleven million, six hundred thirty-one thousand, sixty-one".

Divisors: 1 13 37 481 24181 314353 894697 11631061