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2489381417 = 17121012
BaseRepresentation
bin1001010001100000…
…1111001000101001
320102111012200022202
42110120033020221
520044240201132
61051004025545
7115455251525
oct22430171051
96374180282
102489381417
111068211116
125958322b5
13308982173
14198888d85
15e882e762
hex9460f229

2489381417 has 6 divisors (see below), whose sum is σ = 2636033454. Its totient is φ = 2342753600.

The previous prime is 2489381399. The next prime is 2489381443. The reversal of 2489381417 is 7141839842.

It can be written as a sum of positive squares in 3 ways, for example, as 2320926976 + 168454441 = 48176^2 + 12979^2 .

It is not a de Polignac number, because 2489381417 - 214 = 2489365033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489381117) 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 5 ways as a sum of consecutive naturals, for example, 199667 + ... + 211767.

It is an arithmetic number, because the mean of its divisors is an integer number (439338909).

Almost surely, 22489381417 is an apocalyptic number.

It is an amenable number.

2489381417 is a deficient number, since it is larger than the sum of its proper divisors (146652037).

2489381417 is an frugal number, since it uses more digits than its factorization.

2489381417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219 (or 12118 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 2489381417 is about 49893.7011755993. The cubic root of 2489381417 is about 1355.2845300555.

The spelling of 2489381417 in words is "two billion, four hundred eighty-nine million, three hundred eighty-one thousand, four hundred seventeen".

Divisors: 1 17 12101 205717 146434201 2489381417