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2130080 = 25513313
BaseRepresentation
bin1000001000000010100000
311000012220212
420020002200
51021130310
6113353252
724051101
oct10100240
94005825
102130080
1112253a7
12868828
13597704
143d63a8
152c1205
hex2080a0

2130080 has 24 divisors (see below), whose sum is σ = 5032692. Its totient is φ = 851968.

The previous prime is 2130061. The next prime is 2130101. The reversal of 2130080 is 800312.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 44944 = 1444^2 + 212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6497 + ... + 6816.

22130080 is an apocalyptic number.

2130080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130080 is an abundant number, since it is smaller than the sum of its proper divisors (2902612).

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

2130080 is a wasteful number, since it uses less digits than its factorization.

2130080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328 (or 13320 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2130080 is about 1459.4793592237. The cubic root of 2130080 is about 128.6664459296. Note that the first 3 decimals are identical.

Adding to 2130080 its reverse (800312), we get a palindrome (2930392).

The spelling of 2130080 in words is "two million, one hundred thirty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13313 26626 53252 66565 106504 133130 213008 266260 426016 532520 1065040 2130080