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16468997 is a prime number
BaseRepresentation
bin111110110100…
…110000000101
31010222201012212
4332310300011
513204001442
61344553205
7256661366
oct76646005
933881185
1016468997
119329446
125622805
13354818c
142289b6d
1516a4a82
hexfb4c05

16468997 has 2 divisors, whose sum is σ = 16468998. Its totient is φ = 16468996.

The previous prime is 16468939. The next prime is 16468999. The reversal of 16468997 is 79986461.

16468997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 516961 = 3994^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 16468997 - 28 = 16468741 is a prime.

Together with 16468999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16468999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8234498 + 8234499.

It is an arithmetic number, because the mean of its divisors is an integer number (8234499).

Almost surely, 216468997 is an apocalyptic number.

It is an amenable number.

16468997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16468997 is an equidigital number, since it uses as much as digits as its factorization.

16468997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 16468997 is about 4058.2012025034. The cubic root of 16468997 is about 254.4226177842.

The spelling of 16468997 in words is "sixteen million, four hundred sixty-eight thousand, nine hundred ninety-seven".