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16320741 = 35440247
BaseRepresentation
bin111110010000…
…100011100101
31010201011211220
4332100203211
513134230431
61341450553
7255503223
oct76204345
933634756
1016320741
119238018
125570a59
1334c5858
14224bb13
151675b96
hexf908e5

16320741 has 4 divisors (see below), whose sum is σ = 21760992. Its totient is φ = 10880492.

The previous prime is 16320739. The next prime is 16320763. The reversal of 16320741 is 14702361.

16320741 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 16320741 - 21 = 16320739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320721) 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, 2720121 + ... + 2720126.

It is an arithmetic number, because the mean of its divisors is an integer number (5440248).

Almost surely, 216320741 is an apocalyptic number.

It is an amenable number.

16320741 is a deficient number, since it is larger than the sum of its proper divisors (5440251).

16320741 is an equidigital number, since it uses as much as digits as its factorization.

16320741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440250.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 16320741 is about 4039.8936867200. The cubic root of 16320741 is about 253.6568671461.

The spelling of 16320741 in words is "sixteen million, three hundred twenty thousand, seven hundred forty-one".

Divisors: 1 3 5440247 16320741