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16201361 = 112364037
BaseRepresentation
bin111101110011…
…011010010001
31010111010002102
4331303122101
513121420421
61335130145
7254465201
oct75633221
933433072
1016201361
119166360
125513955
133483407
14221a401
15165060b
hexf73691

16201361 has 8 divisors (see below), whose sum is σ = 18442944. Its totient is φ = 14087920.

The previous prime is 16201349. The next prime is 16201379. The reversal of 16201361 is 16310261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-16201361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16201321) 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, 31766 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (2305368).

Almost surely, 216201361 is an apocalyptic number.

16201361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16201361 is a deficient number, since it is larger than the sum of its proper divisors (2241583).

16201361 is a wasteful number, since it uses less digits than its factorization.

16201361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64071.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 16201361 is about 4025.0914275330. The cubic root of 16201361 is about 253.0368852678.

Subtracting 16201361 from its reverse (16310261), we obtain a square (108900 = 3302).

The spelling of 16201361 in words is "sixteen million, two hundred one thousand, three hundred sixty-one".

Divisors: 1 11 23 253 64037 704407 1472851 16201361