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2480321 = 6173557
BaseRepresentation
bin1001011101100011000001
311200000100202
421131203001
51113332241
6125054545
730040154
oct11354301
94600322
102480321
111444558
129b7455
1368ac5c
14487c9b
1533ed9b
hex25d8c1

2480321 has 8 divisors (see below), whose sum is σ = 2560104. Its totient is φ = 2401920.

The previous prime is 2480311. The next prime is 2480323. The reversal of 2480321 is 1230842.

It can be written as a sum of positive squares in 4 ways, for example, as 34225 + 2446096 = 185^2 + 1564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2480321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2480293 and 2480302.

It is not an unprimeable number, because it can be changed into a prime (2480323) 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, 4175 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (320013).

22480321 is an apocalyptic number.

It is an amenable number.

2480321 is a deficient number, since it is larger than the sum of its proper divisors (79783).

2480321 is an equidigital number, since it uses as much as digits as its factorization.

2480321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2480321 is about 1574.9034891066. The cubic root of 2480321 is about 135.3638288325.

The spelling of 2480321 in words is "two million, four hundred eighty thousand, three hundred twenty-one".

Divisors: 1 61 73 557 4453 33977 40661 2480321