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20213054 = 231973361
BaseRepresentation
bin100110100011…
…0110100111110
31102000221002122
41031012310332
520133304204
62001122542
7333544121
oct115066476
942027078
1020213054
1110456404
126929452
1342593b4
1429823b8
151b940be
hex1346d3e

20213054 has 16 divisors (see below), whose sum is σ = 31629696. Its totient is φ = 9676800.

The previous prime is 20213047. The next prime is 20213059. The reversal of 20213054 is 45031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4334 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (1976856).

Almost surely, 220213054 is an apocalyptic number.

20213054 is a deficient number, since it is larger than the sum of its proper divisors (11416642).

20213054 is a wasteful number, since it uses less digits than its factorization.

20213054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20213054 is about 4495.8930147413. The cubic root of 20213054 is about 272.4022217441.

Adding to 20213054 its reverse (45031202), we get a palindrome (65244256).

The spelling of 20213054 in words is "twenty million, two hundred thirteen thousand, fifty-four".

Divisors: 1 2 31 62 97 194 3007 3361 6014 6722 104191 208382 326017 652034 10106527 20213054