Search a number
-
+
9900469 is a prime number
BaseRepresentation
bin100101110001…
…000110110101
3200121222220001
4211301012311
510013303334
6552111301
7150103225
oct45610665
920558801
109900469
115652407
123395531
132088487
14145a085
15d08714
hex9711b5

9900469 has 2 divisors, whose sum is σ = 9900470. Its totient is φ = 9900468.

The previous prime is 9900467. The next prime is 9900481. The reversal of 9900469 is 9640099.

9900469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 2365444 = 2745^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 9900469 - 21 = 9900467 is a prime.

It is a super-2 number, since 2×99004692 = 196038572839922, which contains 22 as substring.

Together with 9900467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9900461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4950234 + 4950235.

It is an arithmetic number, because the mean of its divisors is an integer number (4950235).

Almost surely, 29900469 is an apocalyptic number.

It is an amenable number.

9900469 is a deficient number, since it is larger than the sum of its proper divisors (1).

9900469 is an equidigital number, since it uses as much as digits as its factorization.

9900469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9900469 is about 3146.5010726202. The cubic root of 9900469 is about 214.7263075907.

The spelling of 9900469 in words is "nine million, nine hundred thousand, four hundred sixty-nine".