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20367412 = 2213616421
BaseRepresentation
bin100110110110…
…0100000110100
31102022202211121
41031230200310
520203224122
62004313324
7335056132
oct115544064
942282747
1020367412
111055137a
1269a2844
1342b1730
1429c2752
151bc4bc7
hex136c834

20367412 has 24 divisors (see below), whose sum is σ = 39020072. Its totient is φ = 9244800.

The previous prime is 20367409. The next prime is 20367419. The reversal of 20367412 is 21476302.

It can be written as a sum of positive squares in 4 ways, for example, as 972196 + 19395216 = 986^2 + 4404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20367419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39 + ... + 6382.

Almost surely, 220367412 is an apocalyptic number.

It is an amenable number.

20367412 is a deficient number, since it is larger than the sum of its proper divisors (18652660).

20367412 is a wasteful number, since it uses less digits than its factorization.

20367412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499 (or 6497 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20367412 is about 4513.0269221444. The cubic root of 20367412 is about 273.0938685287.

The spelling of 20367412 in words is "twenty million, three hundred sixty-seven thousand, four hundred twelve".

Divisors: 1 2 4 13 26 52 61 122 244 793 1586 3172 6421 12842 25684 83473 166946 333892 391681 783362 1566724 5091853 10183706 20367412