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11253729 = 33751243
BaseRepresentation
bin101010111011…
…011111100001
3210011202012210
4222323133201
510340104404
61041112333
7164440464
oct52733741
923152183
1011253729
116397103
1239286a9
132440416
1416cd2db
15ec4689
hexabb7e1

11253729 has 4 divisors (see below), whose sum is σ = 15004976. Its totient is φ = 7502484.

The previous prime is 11253703. The next prime is 11253733. The reversal of 11253729 is 92735211.

11253729 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, and also an emirpimes, since its reverse is a distinct semiprime: 92735211 = 330911737.

It is not a de Polignac number, because 11253729 - 212 = 11249633 is a prime.

It is a super-3 number, since 3×112537293 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11253696 and 11253705.

It is not an unprimeable number, because it can be changed into a prime (11253799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875619 + ... + 1875624.

It is an arithmetic number, because the mean of its divisors is an integer number (3751244).

Almost surely, 211253729 is an apocalyptic number.

It is an amenable number.

11253729 is a deficient number, since it is larger than the sum of its proper divisors (3751247).

11253729 is an equidigital number, since it uses as much as digits as its factorization.

11253729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751246.

The product of its digits is 3780, while the sum is 30.

The square root of 11253729 is about 3354.6578066921. The cubic root of 11253729 is about 224.0949918645.

The spelling of 11253729 in words is "eleven million, two hundred fifty-three thousand, seven hundred twenty-nine".

Divisors: 1 3 3751243 11253729