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53006044 = 22721371293
BaseRepresentation
bin1100101000110…
…0111011011100
310200201222121211
43022030323130
5102032143134
65132034204
71212354400
oct312147334
9120658554
1053006044
1127a14253
1215902964
13ac9b730
14707b100
1549c0764
hex328cedc

53006044 has 72 divisors (see below), whose sum is σ = 118244448. Its totient is φ = 20603520.

The previous prime is 53006039. The next prime is 53006069. The reversal of 53006044 is 44060035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180762 + ... + 181054.

It is an arithmetic number, because the mean of its divisors is an integer number (1642284).

Almost surely, 253006044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53006044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59122224).

53006044 is an abundant number, since it is smaller than the sum of its proper divisors (65238404).

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

53006044 is a wasteful number, since it uses less digits than its factorization.

53006044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53006044 is about 7280.5249810711. The cubic root of 53006044 is about 375.6428534901.

Adding to 53006044 its reverse (44060035), we get a palindrome (97066079).

The spelling of 53006044 in words is "fifty-three million, six thousand, forty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 71 91 98 142 182 196 284 293 364 497 586 637 923 994 1172 1274 1846 1988 2051 2548 3479 3692 3809 4102 6461 6958 7618 8204 12922 13916 14357 15236 20803 25844 26663 28714 41606 45227 53326 57428 83212 90454 106652 145621 180908 186641 270439 291242 373282 540878 582484 746564 1019347 1081756 1893073 2038694 3786146 4077388 7572292 13251511 26503022 53006044