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2422380 = 223547859
BaseRepresentation
bin1001001111011001101100
311120001212210
421033121230
51110004010
6123530420
726406222
oct11173154
94501783
102422380
111404a74
12989a10
1366a77c
14470b12
1532cb20
hex24f66c

2422380 has 48 divisors (see below), whose sum is σ = 6935040. Its totient is φ = 631488.

The previous prime is 2422369. The next prime is 2422391. The reversal of 2422380 is 832242.

It is an interprime number because it is at equal distance from previous prime (2422369) and next prime (2422391).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (144480).

22422380 is an apocalyptic number.

2422380 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 2422380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467520).

2422380 is an abundant number, since it is smaller than the sum of its proper divisors (4512660).

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

2422380 is a wasteful number, since it uses less digits than its factorization.

2422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2422380 is about 1556.3996915960. The cubic root of 2422380 is about 134.3014672502.

The spelling of 2422380 in words is "two million, four hundred twenty-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 859 940 1410 1718 2577 2820 3436 4295 5154 8590 10308 12885 17180 25770 40373 51540 80746 121119 161492 201865 242238 403730 484476 605595 807460 1211190 2422380