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32100113 = 971492221
BaseRepresentation
bin111101001110…
…0111100010001
32020101212002002
41322130330101
531204200423
63104003345
7536563223
oct172347421
966355062
1032100113
1117135321
12a900555
13685bb66
144398413
152c41228
hex1e9cf11

32100113 has 8 divisors (see below), whose sum is σ = 32663400. Its totient is φ = 31541760.

The previous prime is 32100043. The next prime is 32100121. The reversal of 32100113 is 31100123.

It can be written as a sum of positive squares in 4 ways, for example, as 1817104 + 30283009 = 1348^2 + 5503^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32100113 - 28 = 32099857 is a prime.

It is a super-2 number, since 2×321001132 = 2060834509225538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32100094 and 32100103.

It is not an unprimeable number, because it can be changed into a prime (32100193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13343 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (4082925).

Almost surely, 232100113 is an apocalyptic number.

It is an amenable number.

32100113 is a deficient number, since it is larger than the sum of its proper divisors (563287).

32100113 is a wasteful number, since it uses less digits than its factorization.

32100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

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

The square root of 32100113 is about 5665.6961619910. The cubic root of 32100113 is about 317.8109479786.

Adding to 32100113 its reverse (31100123), we get a palindrome (63200236).

The spelling of 32100113 in words is "thirty-two million, one hundred thousand, one hundred thirteen".

Divisors: 1 97 149 2221 14453 215437 330929 32100113