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2020668 = 2231312953
BaseRepresentation
bin111101101010100111100
310210122211120
413231110330
51004130133
6111150540
723114106
oct7552474
93718746
102020668
111160181
12815450
13559980
143a8576
1529dab3
hex1ed53c

2020668 has 24 divisors (see below), whose sum is σ = 5077968. Its totient is φ = 621696.

The previous prime is 2020663. The next prime is 2020679. The reversal of 2020668 is 8660202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020661) 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 7 ways as a sum of consecutive naturals, for example, 6321 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (211582).

22020668 is an apocalyptic number.

It is an amenable number.

2020668 is an abundant number, since it is smaller than the sum of its proper divisors (3057300).

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

2020668 is a wasteful number, since it uses less digits than its factorization.

2020668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2020668 is about 1421.5020225100. The cubic root of 2020668 is about 126.4246193299.

The spelling of 2020668 in words is "two million, twenty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 12953 25906 38859 51812 77718 155436 168389 336778 505167 673556 1010334 2020668