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20203044 = 22347113317
BaseRepresentation
bin100110100010…
…0011000100100
31102000102100220
41031010120210
520132444134
62001004340
7333503001
oct115043044
942012326
1020203044
1110449934
1269236b0
134254984
14297c8a8
151b91149
hex1344624

20203044 has 48 divisors (see below), whose sum is σ = 48722688. Its totient is φ = 6512128.

The previous prime is 20203003. The next prime is 20203049. The reversal of 20203044 is 44030202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63574 + ... + 63890.

It is an arithmetic number, because the mean of its divisors is an integer number (1015056).

Almost surely, 220203044 is an apocalyptic number.

It is an amenable number.

20203044 is an abundant number, since it is smaller than the sum of its proper divisors (28519644).

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

20203044 is a wasteful number, since it uses less digits than its factorization.

20203044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20203044 is about 4494.7796386475. The cubic root of 20203044 is about 272.3572475658.

Adding to 20203044 its reverse (44030202), we get a palindrome (64233246).

The spelling of 20203044 in words is "twenty million, two hundred three thousand, forty-four".

Divisors: 1 2 3 4 6 12 47 94 113 141 188 226 282 317 339 452 564 634 678 951 1268 1356 1902 3804 5311 10622 14899 15933 21244 29798 31866 35821 44697 59596 63732 71642 89394 107463 143284 178788 214926 429852 1683587 3367174 5050761 6734348 10101522 20203044