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2245130321 = 7547586349
BaseRepresentation
bin1000010111010001…
…1111100001010001
312210110121102210212
42011310133201101
514044223132241
61010440533505
7106431202310
oct20564374121
95713542725
102245130321
11a52354705
12527a81295
1329a1a33a5
14174268277
15d2183beb
hex85d1f851

2245130321 has 8 divisors (see below), whose sum is σ = 2570558400. Its totient is φ = 1920876048.

The previous prime is 2245130311. The next prime is 2245130341. The reversal of 2245130321 is 1230315422.

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

It is not a de Polignac number, because 2245130321 - 210 = 2245129297 is a prime.

It is a super-2 number, since 2×22451303212 = 10081220316547126082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245130311) 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, 289346 + ... + 297003.

It is an arithmetic number, because the mean of its divisors is an integer number (321319800).

Almost surely, 22245130321 is an apocalyptic number.

It is an amenable number.

2245130321 is a deficient number, since it is larger than the sum of its proper divisors (325428079).

2245130321 is an equidigital number, since it uses as much as digits as its factorization.

2245130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586903.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2245130321 is about 47382.8061748141. The cubic root of 2245130321 is about 1309.4246684022.

Adding to 2245130321 its reverse (1230315422), we get a palindrome (3475445743).

The spelling of 2245130321 in words is "two billion, two hundred forty-five million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 7 547 3829 586349 4104443 320732903 2245130321