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50168853 = 32717139337
BaseRepresentation
bin1011111101100…
…0010000010101
310111101211201200
42333120100111
5100320400403
64551143113
71146266610
oct277302025
9114354650
1050168853
1126356669
1214974a99
13a517217
14693d177
15460eca3
hex2fd8415

50168853 has 48 divisors (see below), whose sum is σ = 88583040. Its totient is φ = 26707968.

The previous prime is 50168851. The next prime is 50168857. The reversal of 50168853 is 35886105.

50168853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50168853 - 21 = 50168851 is a prime.

It is a super-2 number, since 2×501688532 = 5033827622671218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50168851) by changing a digit.

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, 148701 + ... + 149037.

It is an arithmetic number, because the mean of its divisors is an integer number (1845480).

Almost surely, 250168853 is an apocalyptic number.

It is an amenable number.

50168853 is a deficient number, since it is larger than the sum of its proper divisors (38414187).

50168853 is a wasteful number, since it uses less digits than its factorization.

50168853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 50168853 is about 7082.9974587035. The cubic root of 50168853 is about 368.8173904221.

Adding to 50168853 its sum of digits (36), we get a square (50168889 = 70832).

The spelling of 50168853 in words is "fifty million, one hundred sixty-eight thousand, eight hundred fifty-three".

Divisors: 1 3 7 9 17 21 51 63 119 139 153 337 357 417 973 1011 1071 1251 2359 2363 2919 3033 5729 7077 7089 8757 16541 17187 21231 21267 40103 46843 49623 51561 120309 140529 148869 327901 360927 421587 796331 983703 2388993 2951109 5574317 7166979 16722951 50168853