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2280076 = 221921579
BaseRepresentation
bin1000101100101010001100
311021211200021
420230222030
51040430301
6120511524
725244311
oct10545214
94254607
102280076
111318067
1291b5a4
1361aa76
14434d08
153008a1
hex22ca8c

2280076 has 18 divisors (see below), whose sum is σ = 4213860. Its totient is φ = 1079352.

The previous prime is 2280073. The next prime is 2280079. The reversal of 2280076 is 6700822.

It is an interprime number because it is at equal distance from previous prime (2280073) and next prime (2280079).

It is a self number, because there is not a number n which added to its sum of digits gives 2280076.

It is not an unprimeable number, because it can be changed into a prime (2280071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655 + ... + 2233.

22280076 is an apocalyptic number.

It is an amenable number.

2280076 is a deficient number, since it is larger than the sum of its proper divisors (1933784).

2280076 is a wasteful number, since it uses less digits than its factorization.

2280076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2280076 is about 1509.9920529592. The cubic root of 2280076 is about 131.6183496984.

Adding to 2280076 its reverse (6700822), we get a palindrome (8980898).

The spelling of 2280076 in words is "two million, two hundred eighty thousand, seventy-six".

Divisors: 1 2 4 19 38 76 361 722 1444 1579 3158 6316 30001 60002 120004 570019 1140038 2280076