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16454243 = 134130871
BaseRepresentation
bin111110110001…
…001001100011
31010221221222102
4332301021203
513203013433
61344401015
7256600361
oct76611143
933857872
1016454243
119319353
12561616b
133541550
142284631
1516a04e8
hexfb1263

16454243 has 8 divisors (see below), whose sum is σ = 18152736. Its totient is φ = 14817600.

The previous prime is 16454237. The next prime is 16454257. The reversal of 16454243 is 34245461.

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

It is a cyclic number.

It is not a de Polignac number, because 16454243 - 214 = 16437859 is a prime.

It is a super-2 number, since 2×164542432 = 541484225406098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16454143) 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, 14903 + ... + 15968.

It is an arithmetic number, because the mean of its divisors is an integer number (2269092).

Almost surely, 216454243 is an apocalyptic number.

16454243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16454243 is a deficient number, since it is larger than the sum of its proper divisors (1698493).

16454243 is a wasteful number, since it uses less digits than its factorization.

16454243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30925.

The product of its digits is 11520, while the sum is 29.

The square root of 16454243 is about 4056.3829947380. The cubic root of 16454243 is about 254.3466189684.

The spelling of 16454243 in words is "sixteen million, four hundred fifty-four thousand, two hundred forty-three".

Divisors: 1 13 41 533 30871 401323 1265711 16454243