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11145797 = 13857369
BaseRepresentation
bin101010100001…
…001001000101
3202222021011022
4222201021011
510323131142
61034520525
7163511015
oct52411105
922867138
1011145797
116323003
123896145
132403260
1416a1c45
15ea26d2
hexaa1245

11145797 has 4 divisors (see below), whose sum is σ = 12003180. Its totient is φ = 10288416.

The previous prime is 11145787. The next prime is 11145817. The reversal of 11145797 is 79754111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79754111 = 118167531.

It can be written as a sum of positive squares in 2 ways, for example, as 2390116 + 8755681 = 1546^2 + 2959^2 .

It is a cyclic number.

It is not a de Polignac number, because 11145797 - 24 = 11145781 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 (11145707) 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, 428672 + ... + 428697.

It is an arithmetic number, because the mean of its divisors is an integer number (3000795).

Almost surely, 211145797 is an apocalyptic number.

It is an amenable number.

11145797 is a deficient number, since it is larger than the sum of its proper divisors (857383).

11145797 is an equidigital number, since it uses as much as digits as its factorization.

11145797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857382.

The product of its digits is 8820, while the sum is 35.

The square root of 11145797 is about 3338.5321624930. The cubic root of 11145797 is about 223.3762742609.

The spelling of 11145797 in words is "eleven million, one hundred forty-five thousand, seven hundred ninety-seven".

Divisors: 1 13 857369 11145797