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9898369 = 131744789
BaseRepresentation
bin100101110000…
…100110000001
3200121220000021
4211300212001
510013221434
6552053441
7150064135
oct45604601
920556007
109898369
115650878
123394281
132087530
1414593c5
15d07cb4
hex970981

9898369 has 8 divisors (see below), whose sum is σ = 11287080. Its totient is φ = 8599296.

The previous prime is 9898337. The next prime is 9898381. The reversal of 9898369 is 9638989.

It can be written as a sum of positive squares in 4 ways, for example, as 57600 + 9840769 = 240^2 + 3137^2 .

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 9898369 - 25 = 9898337 is a prime.

It is a super-2 number, since 2×98983692 = 195955417720322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9898319) 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, 22174 + ... + 22615.

It is an arithmetic number, because the mean of its divisors is an integer number (1410885).

Almost surely, 29898369 is an apocalyptic number.

It is an amenable number.

9898369 is a deficient number, since it is larger than the sum of its proper divisors (1388711).

9898369 is a wasteful number, since it uses less digits than its factorization.

9898369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44819.

The product of its digits is 839808, while the sum is 52.

The square root of 9898369 is about 3146.1673509208. The cubic root of 9898369 is about 214.7111245682.

The spelling of 9898369 in words is "nine million, eight hundred ninety-eight thousand, three hundred sixty-nine".

Divisors: 1 13 17 221 44789 582257 761413 9898369