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2428021317 = 329208113411
BaseRepresentation
bin1001000010111000…
…1010101001000101
320021012202021002110
42100232022221011
514433033140232
61040532531233
7114111561231
oct22056125105
96235667073
102428021317
111036611397
12579180b19
132c904a107
141906755c1
15e325dacc
hex90b8aa45

2428021317 has 16 divisors (see below), whose sum is σ = 3350854080. Its totient is φ = 1561996800.

The previous prime is 2428021249. The next prime is 2428021331. The reversal of 2428021317 is 7131208242.

It is not a de Polignac number, because 2428021317 - 216 = 2427955781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428021357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174342 + ... + 187752.

It is an arithmetic number, because the mean of its divisors is an integer number (209428380).

Almost surely, 22428021317 is an apocalyptic number.

2428021317 is the 40233-rd pentagonal number.

It is an amenable number.

2428021317 is a deficient number, since it is larger than the sum of its proper divisors (922832763).

2428021317 is a wasteful number, since it uses less digits than its factorization.

2428021317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2428021317 is about 49274.9562861298. The cubic root of 2428021317 is about 1344.0564162605.

Adding to 2428021317 its reverse (7131208242), we get a palindrome (9559229559).

The spelling of 2428021317 in words is "two billion, four hundred twenty-eight million, twenty-one thousand, three hundred seventeen".

Divisors: 1 3 29 87 2081 6243 13411 40233 60349 181047 388919 1166757 27908291 83724873 809340439 2428021317