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53350290 = 23257194457
BaseRepresentation
bin1100101110000…
…0111110010010
310201101110211200
43023200332102
5102124202130
65143252030
71215320130
oct313407622
9121343750
1053350290
1128129954
1215a4a016
13b08c326
14712a750
154a3c760
hex32e0f92

53350290 has 96 divisors (see below), whose sum is σ = 166907520. Its totient is φ = 11549952.

The previous prime is 53350279. The next prime is 53350331. The reversal of 53350290 is 9205335.

53350290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9742 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (1738620).

Almost surely, 253350290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53350290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83453760).

53350290 is an abundant number, since it is smaller than the sum of its proper divisors (113557230).

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

53350290 is a wasteful number, since it uses less digits than its factorization.

53350290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 53350290 is about 7304.1282847442. The cubic root of 53350290 is about 376.4542994111.

The spelling of 53350290 in words is "fifty-three million, three hundred fifty thousand, two hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 57 63 70 90 95 105 114 126 133 171 190 210 266 285 315 342 399 570 630 665 798 855 1197 1330 1710 1995 2394 3990 4457 5985 8914 11970 13371 22285 26742 31199 40113 44570 62398 66855 80226 84683 93597 133710 155995 169366 187194 200565 254049 280791 311990 401130 423415 467985 508098 561582 592781 762147 846830 935970 1185562 1270245 1403955 1524294 1778343 2540490 2807910 2963905 3556686 3810735 5335029 5927810 7621470 8891715 10670058 17783430 26675145 53350290