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16390801 = 75873989
BaseRepresentation
bin111110100001…
…101010010001
31010211201221201
4332201222101
513144001201
61343151201
7256214410
oct76415221
933751851
1016390801
119285719
1255a5501
13351b6cb
142269477
15168b801
hexfa1a91

16390801 has 8 divisors (see below), whose sum is σ = 18768960. Its totient is φ = 14021808.

The previous prime is 16390799. The next prime is 16390807. The reversal of 16390801 is 10809361.

It is a happy number.

16390801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16390801 - 21 = 16390799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16390801.

It is not an unprimeable number, because it can be changed into a prime (16390807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2115 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 216390801 is an apocalyptic number.

It is an amenable number.

16390801 is a deficient number, since it is larger than the sum of its proper divisors (2378159).

16390801 is an equidigital number, since it uses as much as digits as its factorization.

16390801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16390801 is about 4048.5554213818. Note that the first 3 decimals coincide. The cubic root of 16390801 is about 254.0193064044.

The spelling of 16390801 in words is "sixteen million, three hundred ninety thousand, eight hundred one".

Divisors: 1 7 587 3989 4109 27923 2341543 16390801