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20627296 = 253491847
BaseRepresentation
bin100111010101…
…1111101100000
31102210222022221
41032223331200
520240033141
62014040424
7340220614
oct116537540
942728287
1020627296
1110709658
126aa9114
134372b01
142a4d344
151c26bd1
hex13abf60

20627296 has 24 divisors (see below), whose sum is σ = 40748400. Its totient is φ = 10278528.

The previous prime is 20627291. The next prime is 20627311. The reversal of 20627296 is 69272602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10245 + ... + 12091.

It is an arithmetic number, because the mean of its divisors is an integer number (1697850).

Almost surely, 220627296 is an apocalyptic number.

It is an amenable number.

20627296 is a deficient number, since it is larger than the sum of its proper divisors (20121104).

20627296 is a wasteful number, since it uses less digits than its factorization.

20627296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20627296 is about 4541.7283053921. The cubic root of 20627296 is about 274.2505034993.

Adding to 20627296 its reverse (69272602), we get a palindrome (89899898).

The spelling of 20627296 in words is "twenty million, six hundred twenty-seven thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 349 698 1396 1847 2792 3694 5584 7388 11168 14776 29552 59104 644603 1289206 2578412 5156824 10313648 20627296