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11231477 = 83135319
BaseRepresentation
bin101010110110…
…000011110101
3210010121200122
4222312003311
510333401402
61040421325
7164315555
oct52660365
923117618
1011231477
116381414
123917845
13243325a
1416c5165
15ebcca2
hexab60f5

11231477 has 4 divisors (see below), whose sum is σ = 11366880. Its totient is φ = 11096076.

The previous prime is 11231459. The next prime is 11231483. The reversal of 11231477 is 77413211.

It is a happy number.

11231477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 11231477 - 216 = 11165941 is a prime.

It is a super-2 number, since 2×112314772 = 252292151203058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231447) 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, 67577 + ... + 67742.

It is an arithmetic number, because the mean of its divisors is an integer number (2841720).

Almost surely, 211231477 is an apocalyptic number.

It is an amenable number.

11231477 is a deficient number, since it is larger than the sum of its proper divisors (135403).

11231477 is an equidigital number, since it uses as much as digits as its factorization.

11231477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135402.

The product of its digits is 1176, while the sum is 26.

The square root of 11231477 is about 3351.3395829131. The cubic root of 11231477 is about 223.9471933876.

Adding to 11231477 its reverse (77413211), we get a palindrome (88644688).

The spelling of 11231477 in words is "eleven million, two hundred thirty-one thousand, four hundred seventy-seven".

Divisors: 1 83 135319 11231477