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11542213 = 472411019
BaseRepresentation
bin101100000001…
…111011000101
3210201101221101
4230001323011
510423322323
61051220101
7200051524
oct54017305
923641841
1011542213
116573921
123a47631
132511817
1417664bb
15102edad
hexb01ec5

11542213 has 8 divisors (see below), whose sum is σ = 11848320. Its totient is φ = 11238720.

The previous prime is 11542211. The next prime is 11542217. The reversal of 11542213 is 31224511.

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

It is a cyclic number.

It is not a de Polignac number, because 11542213 - 21 = 11542211 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 (11542211) 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 7 ways as a sum of consecutive naturals, for example, 10818 + ... + 11836.

It is an arithmetic number, because the mean of its divisors is an integer number (1481040).

Almost surely, 211542213 is an apocalyptic number.

It is an amenable number.

11542213 is a deficient number, since it is larger than the sum of its proper divisors (306107).

11542213 is a wasteful number, since it uses less digits than its factorization.

11542213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its digits is 240, while the sum is 19.

The square root of 11542213 is about 3397.3832577441. The cubic root of 11542213 is about 225.9937150731.

Adding to 11542213 its reverse (31224511), we get a palindrome (42766724).

The spelling of 11542213 in words is "eleven million, five hundred forty-two thousand, two hundred thirteen".

Divisors: 1 47 241 1019 11327 47893 245579 11542213