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16320369 = 313418471
BaseRepresentation
bin111110010000…
…011101110001
31010201011100010
4332100131301
513134222434
61341445133
7255502152
oct76203561
933634303
1016320369
11923780a
1255707a9
1334c5630
14224b929
1516759e9
hexf90771

16320369 has 8 divisors (see below), whose sum is σ = 23434432. Its totient is φ = 10043280.

The previous prime is 16320341. The next prime is 16320371. The reversal of 16320369 is 96302361.

It is a happy number.

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

It is not a de Polignac number, because 16320369 - 28 = 16320113 is a prime.

It is a super-2 number, since 2×163203692 = 532708888592322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16320569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209197 + ... + 209274.

It is an arithmetic number, because the mean of its divisors is an integer number (2929304).

Almost surely, 216320369 is an apocalyptic number.

It is an amenable number.

16320369 is a deficient number, since it is larger than the sum of its proper divisors (7114063).

16320369 is a wasteful number, since it uses less digits than its factorization.

16320369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418487.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 16320369 is about 4039.8476456421. The cubic root of 16320369 is about 253.6549399242.

The spelling of 16320369 in words is "sixteen million, three hundred twenty thousand, three hundred sixty-nine".

Divisors: 1 3 13 39 418471 1255413 5440123 16320369