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2020396 = 227591223
BaseRepresentation
bin111101101010000101100
310210122110111
413231100230
51004123041
6111145404
723113240
oct7552054
93718414
102020396
11115aa54
12815264
13559801
143a8420
1529d981
hex1ed42c

2020396 has 24 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 850512.

The previous prime is 2020393. The next prime is 2020409. The reversal of 2020396 is 6930202.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2020391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

22020396 is an apocalyptic number.

It is an amenable number.

2020396 is an abundant number, since it is smaller than the sum of its proper divisors (2092244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020396 is a wasteful number, since it uses less digits than its factorization.

2020396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2020396 is about 1421.4063458420. The cubic root of 2020396 is about 126.4189464469.

Adding to 2020396 its reverse (6930202), we get a palindrome (8950598).

The spelling of 2020396 in words is "two million, twenty thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1223 1652 2446 4892 8561 17122 34244 72157 144314 288628 505099 1010198 2020396