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11839297 = 37319981
BaseRepresentation
bin101101001010…
…011101000001
3211021111110111
4231022131001
511012324142
61101431321
7202426621
oct55123501
924244414
1011839297
116757048
123b6b541
1325b6b02
141802881
15108ce17
hexb4a741

11839297 has 4 divisors (see below), whose sum is σ = 12159316. Its totient is φ = 11519280.

The previous prime is 11839291. The next prime is 11839301. The reversal of 11839297 is 79293811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79293811 = 233447557.

It can be written as a sum of positive squares in 2 ways, for example, as 8156736 + 3682561 = 2856^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 11839297 - 27 = 11839169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11839291) 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 3 ways as a sum of consecutive naturals, for example, 159954 + ... + 160027.

It is an arithmetic number, because the mean of its divisors is an integer number (3039829).

Almost surely, 211839297 is an apocalyptic number.

It is an amenable number.

11839297 is a deficient number, since it is larger than the sum of its proper divisors (320019).

11839297 is an equidigital number, since it uses as much as digits as its factorization.

11839297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320018.

The product of its digits is 27216, while the sum is 40.

The square root of 11839297 is about 3440.8279526881. The cubic root of 11839297 is about 227.9162575910.

The spelling of 11839297 in words is "eleven million, eight hundred thirty-nine thousand, two hundred ninety-seven".

Divisors: 1 37 319981 11839297