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12020938 = 217353557
BaseRepresentation
bin101101110110…
…110011001010
3211121201121221
4231312303022
511034132223
61105352254
7204114316
oct55666312
924551557
1012020938
116870566
12403868a
13264b6a7
14184cb46
1510c6b5d
hexb76cca

12020938 has 8 divisors (see below), whose sum is σ = 19092132. Its totient is φ = 5656896.

The previous prime is 12020933. The next prime is 12020947. The reversal of 12020938 is 83902021.

It can be written as a sum of positive squares in 2 ways, for example, as 11881809 + 139129 = 3447^2 + 373^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12020933) 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, 176745 + ... + 176812.

Almost surely, 212020938 is an apocalyptic number.

12020938 is a deficient number, since it is larger than the sum of its proper divisors (7071194).

12020938 is a wasteful number, since it uses less digits than its factorization.

12020938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353576.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12020938 is about 3467.1224379880. The cubic root of 12020938 is about 229.0759268453.

Adding to 12020938 its reverse (83902021), we get a palindrome (95922959).

The spelling of 12020938 in words is "twelve million, twenty thousand, nine hundred thirty-eight".

Divisors: 1 2 17 34 353557 707114 6010469 12020938