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32001113 = 67747269
BaseRepresentation
bin111101000010…
…0110001011001
32020012211021102
41322010301121
531143013423
63101521145
7536001464
oct172046131
966184242
1032001113
1117077a01
12a8731b5
136825a91
1443702db
152c21c28
hex1e84c59

32001113 has 4 divisors (see below), whose sum is σ = 32049060. Its totient is φ = 31953168.

The previous prime is 32001103. The next prime is 32001121. The reversal of 32001113 is 31110023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31110023 = 74444289.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 15460624 = 4067^2 + 3932^2 .

It is a cyclic number.

It is not a de Polignac number, because 32001113 - 24 = 32001097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32001094 and 32001103.

It is not an unprimeable number, because it can be changed into a prime (32001103) 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, 22958 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (8012265).

Almost surely, 232001113 is an apocalyptic number.

It is an amenable number.

32001113 is a deficient number, since it is larger than the sum of its proper divisors (47947).

32001113 is an equidigital number, since it uses as much as digits as its factorization.

32001113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 32001113 is about 5656.9526248679. The cubic root of 32001113 is about 317.4838911372.

Adding to 32001113 its reverse (31110023), we get a palindrome (63111136).

The spelling of 32001113 in words is "thirty-two million, one thousand, one hundred thirteen".

Divisors: 1 677 47269 32001113