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482131821 = 31961713709
BaseRepresentation
bin11100101111001…
…011111101101101
31020121012211112010
4130233023331231
51441411204241
6115501431433
714643024063
oct3457137555
91217184463
10482131821
11228172856
1211556b579
1378b6a102
1448064033
152c4d8d16
hex1cbcbf6d

482131821 has 16 divisors (see below), whose sum is σ = 677822400. Its totient is φ = 303988608.

The previous prime is 482131813. The next prime is 482131829. The reversal of 482131821 is 128131284.

It is an interprime number because it is at equal distance from previous prime (482131813) and next prime (482131829).

It is not a de Polignac number, because 482131821 - 23 = 482131813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (482131829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28315 + ... + 42023.

It is an arithmetic number, because the mean of its divisors is an integer number (42363900).

Almost surely, 2482131821 is an apocalyptic number.

It is an amenable number.

482131821 is a deficient number, since it is larger than the sum of its proper divisors (195690579).

482131821 is a wasteful number, since it uses less digits than its factorization.

482131821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14348.

The product of its digits is 3072, while the sum is 30.

The square root of 482131821 is about 21957.5003358761. The cubic root of 482131821 is about 784.1309549097.

The spelling of 482131821 in words is "four hundred eighty-two million, one hundred thirty-one thousand, eight hundred twenty-one".

Divisors: 1 3 19 57 617 1851 11723 13709 35169 41127 260471 781413 8458453 25375359 160710607 482131821