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2090488320 = 29325412213
BaseRepresentation
bin111110010011010…
…0101001000000000
312101200121210212100
41330212211020000
513240131111240
6543234230400
7102542600064
oct17446451000
95350553770
102090488320
119830318a8
124a4125400
1327413a64b
1415b8d1aa4
15c37d8e30
hex7c9a5200

2090488320 has 240 divisors, whose sum is σ = 7419884472. Its totient is φ = 543621120.

The previous prime is 2090488313. The next prime is 2090488321. The reversal of 2090488320 is 238840902.

It can be written as a sum of positive squares in 4 ways, for example, as 1780164864 + 310323456 = 42192^2 + 17616^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2090488321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943534 + ... + 945746.

Almost surely, 22090488320 is an apocalyptic number.

2090488320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090488320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709942236).

2090488320 is an abundant number, since it is smaller than the sum of its proper divisors (5329396152).

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

2090488320 is a wasteful number, since it uses less digits than its factorization.

2090488320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2090488320 is about 45721.8582299539. The cubic root of 2090488320 is about 1278.6428323544.

The spelling of 2090488320 in words is "two billion, ninety million, four hundred eighty-eight thousand, three hundred twenty".