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11873713 = 31383023
BaseRepresentation
bin101101010010…
…110110110001
3211100020200011
4231102312301
511014424323
61102254521
7202632145
oct55226661
924306604
1011873713
11677a995
123b87441
1325c9687
141811225
15109820d
hexb52db1

11873713 has 4 divisors (see below), whose sum is σ = 12256768. Its totient is φ = 11490660.

The previous prime is 11873699. The next prime is 11873717. The reversal of 11873713 is 31737811.

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 11873713 - 29 = 11873201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 383023 = 11873713 / (1 + 1 + 8 + 7 + 3 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11873717) 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, 191481 + ... + 191542.

It is an arithmetic number, because the mean of its divisors is an integer number (3064192).

Almost surely, 211873713 is an apocalyptic number.

It is an amenable number.

11873713 is a deficient number, since it is larger than the sum of its proper divisors (383055).

11873713 is an equidigital number, since it uses as much as digits as its factorization.

11873713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383054.

The product of its digits is 3528, while the sum is 31.

The square root of 11873713 is about 3445.8254453759. The cubic root of 11873713 is about 228.1368894285.

It can be divided in two parts, 1187 and 3713, that added together give a square (4900 = 702).

The spelling of 11873713 in words is "eleven million, eight hundred seventy-three thousand, seven hundred thirteen".

Divisors: 1 31 383023 11873713