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1449289849 = 71297159631
BaseRepresentation
bin101011001100010…
…0110100001111001
310202000002112220211
41112120212201321
510432004233344
6355451151121
750625521560
oct12630464171
93660075824
101449289849
116840a4a07
123454454a1
131a1348877
14da6a2bd7
158737e334
hex56626879

1449289849 has 8 divisors (see below), whose sum is σ = 1657618688. Its totient is φ = 1241282880.

The previous prime is 1449289841. The next prime is 1449289871. The reversal of 1449289849 is 9489829441.

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

It is a cyclic number.

It is not a de Polignac number, because 1449289849 - 23 = 1449289841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1449289793 and 1449289802.

It is not an unprimeable number, because it can be changed into a prime (1449289841) 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, 70737 + ... + 88894.

It is an arithmetic number, because the mean of its divisors is an integer number (207202336).

Almost surely, 21449289849 is an apocalyptic number.

It is an amenable number.

1449289849 is a deficient number, since it is larger than the sum of its proper divisors (208328839).

1449289849 is a wasteful number, since it uses less digits than its factorization.

1449289849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160935.

The product of its digits is 5971968, while the sum is 58.

The square root of 1449289849 is about 38069.5396478602. The cubic root of 1449289849 is about 1131.6663875687. Note that the first 3 decimals are identical.

The spelling of 1449289849 in words is "one billion, four hundred forty-nine million, two hundred eighty-nine thousand, eight hundred forty-nine".

Divisors: 1 7 1297 9079 159631 1117417 207041407 1449289849