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16168072 = 232021009
BaseRepresentation
bin111101101011…
…010010001000
31010102102102111
4331223102020
513114334242
61334312104
7254266144
oct75532210
933372374
1016168072
119143348
1254b8634
13347120b
14220c224
151645817
hexf6b488

16168072 has 8 divisors (see below), whose sum is σ = 30315150. Its totient is φ = 8084032.

The previous prime is 16168067. The next prime is 16168091. The reversal of 16168072 is 27086161.

16168072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10850436 + 5317636 = 3294^2 + 2306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×161680722 = 522813104394368, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010497 + ... + 1010512.

Almost surely, 216168072 is an apocalyptic number.

It is an amenable number.

16168072 is a deficient number, since it is larger than the sum of its proper divisors (14147078).

16168072 is a wasteful number, since it uses less digits than its factorization.

16168072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021015 (or 2021011 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 16168072 is about 4020.9541156298. The cubic root of 16168072 is about 252.8634611415.

The spelling of 16168072 in words is "sixteen million, one hundred sixty-eight thousand, seventy-two".

Divisors: 1 2 4 8 2021009 4042018 8084036 16168072