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16144964 = 22111312801
BaseRepresentation
bin111101100101…
…101001000100
31010101020201122
4331211221010
513113114324
61334013112
7254141603
oct75455104
933336648
1016144964
119127a50
1254a7198
133463844
142203a3a
15163da5e
hexf65a44

16144964 has 24 divisors (see below), whose sum is σ = 31068576. Its totient is φ = 7280000.

The previous prime is 16144963. The next prime is 16144969. The reversal of 16144964 is 46944161.

It is a happy number.

16144964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161449642 = 521319725122592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16144963) 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, 4364 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (1294524).

Almost surely, 216144964 is an apocalyptic number.

It is an amenable number.

16144964 is a deficient number, since it is larger than the sum of its proper divisors (14923612).

16144964 is a wasteful number, since it uses less digits than its factorization.

16144964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947 (or 2945 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 16144964 is about 4018.0796408235. The cubic root of 16144964 is about 252.7429364673.

The spelling of 16144964 in words is "sixteen million, one hundred forty-four thousand, nine hundred sixty-four".

Divisors: 1 2 4 11 22 44 131 262 524 1441 2801 2882 5602 5764 11204 30811 61622 123244 366931 733862 1467724 4036241 8072482 16144964