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16122439 = 891071693
BaseRepresentation
bin111101100000…
…001001000111
31010100002211101
4331200021013
513111404224
61333320531
7254016124
oct75401107
933302741
1016122439
119112033
125496147
133456508
1421d974b
151637044
hexf60247

16122439 has 8 divisors (see below), whose sum is σ = 16465680. Its totient is φ = 15782976.

The previous prime is 16122437. The next prime is 16122473. The reversal of 16122439 is 93422161.

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 16122439 - 21 = 16122437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8677 + ... + 10369.

It is an arithmetic number, because the mean of its divisors is an integer number (2058210).

Almost surely, 216122439 is an apocalyptic number.

16122439 is a deficient number, since it is larger than the sum of its proper divisors (343241).

16122439 is a wasteful number, since it uses less digits than its factorization.

16122439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889.

The product of its digits is 2592, while the sum is 28.

The square root of 16122439 is about 4015.2757065985. The cubic root of 16122439 is about 252.6253418150.

It can be divided in two parts, 16122 and 439, that added together give a palindrome (16561).

The spelling of 16122439 in words is "sixteen million, one hundred twenty-two thousand, four hundred thirty-nine".

Divisors: 1 89 107 1693 9523 150677 181151 16122439