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20602246 = 272434889
BaseRepresentation
bin100111010010…
…1110110000110
31102202200222011
41032211312012
520233232441
62013324434
7340054600
oct116456606
942680864
1020602246
11106a1855
126a9671a
1343645a2
142a44170
151c1e581
hex13a5d86

20602246 has 24 divisors (see below), whose sum is σ = 36792360. Its totient is φ = 8622432.

The previous prime is 20602243. The next prime is 20602261. The reversal of 20602246 is 64220602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602243) 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 11 ways as a sum of consecutive naturals, for example, 1770 + ... + 6658.

It is an arithmetic number, because the mean of its divisors is an integer number (1533015).

Almost surely, 220602246 is an apocalyptic number.

20602246 is a deficient number, since it is larger than the sum of its proper divisors (16190114).

20602246 is a wasteful number, since it uses less digits than its factorization.

20602246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4948 (or 4941 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20602246 is about 4538.9697068828. The cubic root of 20602246 is about 274.1394409864.

Adding to 20602246 its reverse (64220602), we get a palindrome (84822848).

The spelling of 20602246 in words is "twenty million, six hundred two thousand, two hundred forty-six".

Divisors: 1 2 7 14 43 49 86 98 301 602 2107 4214 4889 9778 34223 68446 210227 239561 420454 479122 1471589 2943178 10301123 20602246