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20107054 = 2112194373
BaseRepresentation
bin100110010110…
…0111100101110
31101211112200201
41030230330232
520121411204
61554544114
7332623102
oct114547456
941745621
1020107054
1110393800
12689803a
134220086
142955902
151b729a4
hex132cf2e

20107054 has 24 divisors (see below), whose sum is σ = 34904520. Its totient is φ = 8656560.

The previous prime is 20107051. The next prime is 20107067. The reversal of 20107054 is 45070102.

20107054 = 13472 + 13482 + ... + 13572.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2412 + ... + 6784.

It is an arithmetic number, because the mean of its divisors is an integer number (1454355).

Almost surely, 220107054 is an apocalyptic number.

20107054 is a deficient number, since it is larger than the sum of its proper divisors (14797466).

20107054 is a wasteful number, since it uses less digits than its factorization.

20107054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20107054 is about 4484.0889821679. The cubic root of 20107054 is about 271.9252155275.

Adding to 20107054 its reverse (45070102), we get a palindrome (65177156).

The spelling of 20107054 in words is "twenty million, one hundred seven thousand, fifty-four".

Divisors: 1 2 11 19 22 38 121 209 242 418 2299 4373 4598 8746 48103 83087 96206 166174 529133 913957 1058266 1827914 10053527 20107054