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16144404 = 2238091663
BaseRepresentation
bin111101100101…
…100000010100
31010101012221220
4331211200110
513113110104
61334010340
7254140143
oct75454024
933335856
1016144404
119127591
1254a69b0
133463503
14220375a
15163d7d9
hexf65814

16144404 has 24 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 5371584.

The previous prime is 16144399. The next prime is 16144417. The reversal of 16144404 is 40444161.

It is a congruent number.

It is an unprimeable number.

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, 8877 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 216144404 is an apocalyptic number.

It is an amenable number.

16144404 is an abundant number, since it is smaller than the sum of its proper divisors (21595116).

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

16144404 is a wasteful number, since it uses less digits than its factorization.

16144404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 16144404 is about 4018.0099551893. The cubic root of 16144404 is about 252.7400142417.

Adding to 16144404 its reverse (40444161), we get a palindrome (56588565).

The spelling of 16144404 in words is "sixteen million, one hundred forty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 12 809 1618 1663 2427 3236 3326 4854 4989 6652 9708 9978 19956 1345367 2690734 4036101 5381468 8072202 16144404