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16006361 = 72286623
BaseRepresentation
bin111101000011…
…110011011001
31010010012121012
4331003303121
513044200421
61331023305
7253023530
oct75036331
933105535
1016006361
1190428a8
12543ab35
133415727
1421a9317
15161295b
hexf43cd9

16006361 has 4 divisors (see below), whose sum is σ = 18292992. Its totient is φ = 13719732.

The previous prime is 16006357. The next prime is 16006421. The reversal of 16006361 is 16360061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16360061 = 23711307.

It is a cyclic number.

It is not a de Polignac number, because 16006361 - 22 = 16006357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16006351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143305 + ... + 1143318.

It is an arithmetic number, because the mean of its divisors is an integer number (4573248).

Almost surely, 216006361 is an apocalyptic number.

It is an amenable number.

16006361 is a deficient number, since it is larger than the sum of its proper divisors (2286631).

16006361 is an equidigital number, since it uses as much as digits as its factorization.

16006361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286630.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 16006361 is about 4000.7950459877. The cubic root of 16006361 is about 252.0175987122.

The spelling of 16006361 in words is "sixteen million, six thousand, three hundred sixty-one".

Divisors: 1 7 2286623 16006361