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2090696900 = 225220906969
BaseRepresentation
bin111110010011101…
…1000000011000100
312101201000101222112
41330213120003010
513240204300100
6543242520152
7102544426145
oct17447300304
95351011875
102090696900
11983164586
124a4206058
132741b1576
1415b947acc
15c382ab35
hex7c9d80c4

2090696900 has 18 divisors (see below), whose sum is σ = 4536812490. Its totient is φ = 836278720.

The previous prime is 2090696899. The next prime is 2090696929. The reversal of 2090696900 is 96960902.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7139584 + 2083557316 = 2672^2 + 45646^2 .

It is a super-2 number, since 2×20906969002 = 8742027055339220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10453385 + ... + 10453584.

Almost surely, 22090696900 is an apocalyptic number.

2090696900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2090696900 is an abundant number, since it is smaller than the sum of its proper divisors (2446115590).

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

2090696900 is a wasteful number, since it uses less digits than its factorization.

2090696900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20906983 (or 20906976 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 2090696900 is about 45724.1391389712. The cubic root of 2090696900 is about 1278.6853567812.

The spelling of 2090696900 in words is "two billion, ninety million, six hundred ninety-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20906969 41813938 83627876 104534845 209069690 418139380 522674225 1045348450 2090696900