Search a number
-
+
2273980 = 225671697
BaseRepresentation
bin1000101011001010111100
311021112022111
420223022330
51040231410
6120423404
725220452
oct10531274
94245274
102273980
111313525
12917b64
13618067
144329d2
152edb8a
hex22b2bc

2273980 has 24 divisors (see below), whose sum is σ = 4849488. Its totient is φ = 895488.

The previous prime is 2273963. The next prime is 2273981. The reversal of 2273980 is 893722.

2273980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 492 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (202062).

22273980 is an apocalyptic number.

2273980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273980 is an abundant number, since it is smaller than the sum of its proper divisors (2575508).

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

2273980 is a wasteful number, since it uses less digits than its factorization.

2273980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2273980 is about 1507.9721482839. The cubic root of 2273980 is about 131.5009469492.

The spelling of 2273980 in words is "two million, two hundred seventy-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 1697 3394 6788 8485 16970 33940 113699 227398 454796 568495 1136990 2273980