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16142693 = 73762327
BaseRepresentation
bin111101100101…
…000101100101
31010101010121112
4331211011211
513113031233
61333554405
7254132150
oct75450545
933333545
1016142693
119126276
1254a5a05
1334627b8
142202c97
15163d048
hexf65165

16142693 has 8 divisors (see below), whose sum is σ = 18947712. Its totient is φ = 13462416.

The previous prime is 16142689. The next prime is 16142699. The reversal of 16142693 is 39624161.

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 16142693 - 22 = 16142689 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142699) 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, 30905 + ... + 31422.

It is an arithmetic number, because the mean of its divisors is an integer number (2368464).

Almost surely, 216142693 is an apocalyptic number.

It is an amenable number.

16142693 is a deficient number, since it is larger than the sum of its proper divisors (2805019).

16142693 is an equidigital number, since it uses as much as digits as its factorization.

16142693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62371.

The product of its digits is 7776, while the sum is 32.

The square root of 16142693 is about 4017.7970332012. The cubic root of 16142693 is about 252.7310853802.

The spelling of 16142693 in words is "sixteen million, one hundred forty-two thousand, six hundred ninety-three".

Divisors: 1 7 37 259 62327 436289 2306099 16142693