Search a number
-
+
2250280 = 235101557
BaseRepresentation
bin1000100101011000101000
311020022210201
420211120220
51034002110
6120121544
725061404
oct10453050
94208721
102250280
1112a773a
129062b4
1360a336
14428104
152e6b3a
hex225628

2250280 has 32 divisors (see below), whose sum is σ = 5122440. Its totient is φ = 889600.

The previous prime is 2250263. The next prime is 2250337. The reversal of 2250280 is 820522.

It can be written as a sum of positive squares in 4 ways, for example, as 1887876 + 362404 = 1374^2 + 602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762 + ... + 4318.

22250280 is an apocalyptic number.

2250280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2250280 is an abundant number, since it is smaller than the sum of its proper divisors (2872160).

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

2250280 is a wasteful number, since it uses less digits than its factorization.

2250280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2250280 is about 1500.0933304298. The cubic root of 2250280 is about 131.0425050968.

The spelling of 2250280 in words is "two million, two hundred fifty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 101 202 404 505 557 808 1010 1114 2020 2228 2785 4040 4456 5570 11140 22280 56257 112514 225028 281285 450056 562570 1125140 2250280