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1449516143 = 23471340903
BaseRepresentation
bin101011001100101…
…1101110001101111
310202000112001100002
41112121131301233
510432034004033
6355500054515
750630453405
oct12631356157
93660461302
101449516143
11684239a29
1234553443b
131a13c787a
14da721475
15873c63e8
hex5665dc6f

1449516143 has 8 divisors (see below), whose sum is σ = 1544721408. Its totient is φ = 1356992824.

The previous prime is 1449516139. The next prime is 1449516161. The reversal of 1449516143 is 3416159441.

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

It is not a de Polignac number, because 1449516143 - 22 = 1449516139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1449516097 and 1449516106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449516113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669371 + ... + 671532.

It is an arithmetic number, because the mean of its divisors is an integer number (193090176).

Almost surely, 21449516143 is an apocalyptic number.

1449516143 is a deficient number, since it is larger than the sum of its proper divisors (95205265).

1449516143 is a wasteful number, since it uses less digits than its factorization.

1449516143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340973.

The product of its digits is 51840, while the sum is 38.

The square root of 1449516143 is about 38072.5116455429. The cubic root of 1449516143 is about 1131.7252844568.

The spelling of 1449516143 in words is "one billion, four hundred forty-nine million, five hundred sixteen thousand, one hundred forty-three".

Divisors: 1 23 47 1081 1340903 30840769 63022441 1449516143