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16290472 = 2311216829
BaseRepresentation
bin111110001001…
…001010101000
31010122122022211
4332021022220
513132243342
61341054504
7255316042
oct76111250
933578284
1016290472
119217300
125557434
1334b4b43
142240a92
15166bc17
hexf892a8

16290472 has 24 divisors (see below), whose sum is σ = 33575850. Its totient is φ = 7404320.

The previous prime is 16290457. The next prime is 16290473. The reversal of 16290472 is 27409261.

16290472 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 16208676 + 81796 = 4026^2 + 286^2 .

It is not an unprimeable number, because it can be changed into a prime (16290473) 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 5 ways as a sum of consecutive naturals, for example, 7447 + ... + 9382.

Almost surely, 216290472 is an apocalyptic number.

It is an amenable number.

16290472 is an abundant number, since it is smaller than the sum of its proper divisors (17285378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16290472 is a wasteful number, since it uses less digits than its factorization.

16290472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857 (or 16842 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16290472 is about 4036.1456861714. The cubic root of 16290472 is about 253.4999565582.

The spelling of 16290472 in words is "sixteen million, two hundred ninety thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 16829 33658 67316 134632 185119 370238 740476 1480952 2036309 4072618 8145236 16290472