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2020900 = 225272887
BaseRepresentation
bin111101101011000100100
310210200011011
413231120210
51004132100
6111152004
723114560
oct7553044
93720134
102020900
111160372
12815604
13559acb
143a86a0
1529dbba
hex1ed624

2020900 has 36 divisors (see below), whose sum is σ = 5013568. Its totient is φ = 692640.

The previous prime is 2020891. The next prime is 2020913. The reversal of 2020900 is 90202.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 744 + ... + 2143.

22020900 is an apocalyptic number.

2020900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020900 is an abundant number, since it is smaller than the sum of its proper divisors (2992668).

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

2020900 is a wasteful number, since it uses less digits than its factorization.

2020900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2020900 is about 1421.5836239912. The cubic root of 2020900 is about 126.4294575631.

The spelling of 2020900 in words is "two million, twenty thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 2887 5774 11548 14435 20209 28870 40418 57740 72175 80836 101045 144350 202090 288700 404180 505225 1010450 2020900