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2282380 = 225139821
BaseRepresentation
bin1000101101001110001100
311021221211121
420231032030
51041014010
6120530324
725254112
oct10551614
94257747
102282380
111319871
129209a4
1361bb29
14435ab2
153013da
hex22d38c

2282380 has 24 divisors (see below), whose sum is σ = 4833360. Its totient is φ = 905280.

The previous prime is 2282341. The next prime is 2282381. The reversal of 2282380 is 832822.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2282381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2370 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (201390).

22282380 is an apocalyptic number.

2282380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2282380 is an abundant number, since it is smaller than the sum of its proper divisors (2550980).

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

2282380 is a wasteful number, since it uses less digits than its factorization.

2282380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2282380 is about 1510.7547782483. The cubic root of 2282380 is about 131.6626678983.

It can be divided in two parts, 2282 and 380, that added together give a palindrome (2662).

The spelling of 2282380 in words is "two million, two hundred eighty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 139 278 556 695 821 1390 1642 2780 3284 4105 8210 16420 114119 228238 456476 570595 1141190 2282380