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11604243 = 37552583
BaseRepresentation
bin101100010001…
…000100010011
3210211120000210
4230101010103
510432313433
61052415203
7200430420
oct54210423
923746023
1011604243
116606492
123a77503
132533b21
141780d47
151043463
hexb11113

11604243 has 8 divisors (see below), whose sum is σ = 17682688. Its totient is φ = 6630984.

The previous prime is 11604239. The next prime is 11604247. The reversal of 11604243 is 34240611.

It is an interprime number because it is at equal distance from previous prime (11604239) and next prime (11604247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11604243 - 22 = 11604239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 552583 = 11604243 / (1 + 1 + 6 + 0 + 4 + 2 + 4 + 3).

It is the 3407-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11604247) by changing a digit.

It is a nontrivial repunit in base 3406.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276271 + ... + 276312.

It is an arithmetic number, because the mean of its divisors is an integer number (2210336).

Almost surely, 211604243 is an apocalyptic number.

11604243 is a deficient number, since it is larger than the sum of its proper divisors (6078445).

11604243 is an equidigital number, since it uses as much as digits as its factorization.

11604243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552593.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 11604243 is about 3406.5001100837. The cubic root of 11604243 is about 226.3978360846.

Adding to 11604243 its reverse (34240611), we get a palindrome (45844854).

The spelling of 11604243 in words is "eleven million, six hundred four thousand, two hundred forty-three".

Divisors: 1 3 7 21 552583 1657749 3868081 11604243