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20238246 = 2327160621
BaseRepresentation
bin100110100110…
…0111110100110
31102002012122200
41031030332212
520140110441
62001435330
7334010430
oct115147646
942065580
1020238246
1110473326
12693bb46
1342679c2
14298b650
151b9b7b6
hex134cfa6

20238246 has 24 divisors (see below), whose sum is σ = 50114064. Its totient is φ = 5782320.

The previous prime is 20238233. The next prime is 20238271. The reversal of 20238246 is 64283202.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80185 + ... + 80436.

It is an arithmetic number, because the mean of its divisors is an integer number (2088086).

Almost surely, 220238246 is an apocalyptic number.

20238246 is an abundant number, since it is smaller than the sum of its proper divisors (29875818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20238246 is a wasteful number, since it uses less digits than its factorization.

20238246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160636 (or 160633 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20238246 is about 4498.6938104299. The cubic root of 20238246 is about 272.5153418403.

The spelling of 20238246 in words is "twenty million, two hundred thirty-eight thousand, two hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 160621 321242 481863 963726 1124347 1445589 2248694 2891178 3373041 6746082 10119123 20238246