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16393269 = 35464423
BaseRepresentation
bin111110100010…
…010000110101
31010211212100010
4332202100311
513144041034
61343210433
7256224534
oct76422065
933755303
1016393269
119287562
1255a6a19
13351c879
14226a31b
15168c3e9
hexfa2435

16393269 has 4 divisors (see below), whose sum is σ = 21857696. Its totient is φ = 10928844.

The previous prime is 16393231. The next prime is 16393297. The reversal of 16393269 is 96239361.

16393269 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 not a de Polignac number, because 16393269 - 29 = 16392757 is a prime.

It is a super-2 number, since 2×163932692 = 537478537012722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16393229) 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, 2732209 + ... + 2732214.

It is an arithmetic number, because the mean of its divisors is an integer number (5464424).

Almost surely, 216393269 is an apocalyptic number.

It is an amenable number.

16393269 is a deficient number, since it is larger than the sum of its proper divisors (5464427).

16393269 is an equidigital number, since it uses as much as digits as its factorization.

16393269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464426.

The product of its digits is 52488, while the sum is 39.

The square root of 16393269 is about 4048.8602099850. The cubic root of 16393269 is about 254.0320551852.

The spelling of 16393269 in words is "sixteen million, three hundred ninety-three thousand, two hundred sixty-nine".

Divisors: 1 3 5464423 16393269