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9997326 = 2321737883
BaseRepresentation
bin100110001000…
…110000001110
3200210220202100
4212020300032
510024403301
6554135530
7150655503
oct46106016
920726670
109997326
115709159
1234215a6
1320c05a1
1414834aa
15d27286
hex988c0e

9997326 has 48 divisors (see below), whose sum is σ = 23581584. Its totient is φ = 3048192.

The previous prime is 9997321. The next prime is 9997327. The reversal of 9997326 is 6237999.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10881 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (491283).

Almost surely, 29997326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9997326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11790792).

9997326 is an abundant number, since it is smaller than the sum of its proper divisors (13584258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997326 is a wasteful number, since it uses less digits than its factorization.

9997326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9997326 is about 3161.8548353775. The cubic root of 9997326 is about 215.4242640968.

It can be divided in two parts, 99973 and 26, that added together give a palindrome (99999).

The spelling of 9997326 in words is "nine million, nine hundred ninety-seven thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 17 18 34 37 51 74 102 111 153 222 306 333 629 666 883 1258 1766 1887 2649 3774 5298 5661 7947 11322 15011 15894 30022 32671 45033 65342 90066 98013 135099 196026 270198 294039 555407 588078 1110814 1666221 3332442 4998663 9997326