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16049243 = 719120671
BaseRepresentation
bin111101001110…
…010001011011
31010012101102102
4331032101123
513102033433
61331554015
7253262540
oct75162133
933171372
1016049243
119072041
12545b90b
13342c0c2
1421babc7
1516204e8
hexf4e45b

16049243 has 8 divisors (see below), whose sum is σ = 19307520. Its totient is φ = 13032360.

The previous prime is 16049183. The next prime is 16049261. The reversal of 16049243 is 34294061.

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 16049243 - 28 = 16048987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16049263) 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, 60203 + ... + 60468.

It is an arithmetic number, because the mean of its divisors is an integer number (2413440).

Almost surely, 216049243 is an apocalyptic number.

16049243 is a deficient number, since it is larger than the sum of its proper divisors (3258277).

16049243 is a wasteful number, since it uses less digits than its factorization.

16049243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120697.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 16049243 is about 4006.1506461939. The cubic root of 16049243 is about 252.2424547787.

The spelling of 16049243 in words is "sixteen million, forty-nine thousand, two hundred forty-three".

Divisors: 1 7 19 133 120671 844697 2292749 16049243