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9997328 = 2411431321
BaseRepresentation
bin100110001000…
…110000010000
3200210220202102
4212020300100
510024403303
6554135532
7150655505
oct46106020
920726672
109997328
115709160
1234215a8
1320c05a3
1414834ac
15d27288
hex988c10

9997328 has 40 divisors (see below), whose sum is σ = 21638496. Its totient is φ = 4435200.

The previous prime is 9997327. The next prime is 9997333. The reversal of 9997328 is 8237999.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6908 + ... + 8228.

Almost surely, 29997328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9997328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10819248).

9997328 is an abundant number, since it is smaller than the sum of its proper divisors (11641168).

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

9997328 is a wasteful number, since it uses less digits than its factorization.

9997328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1377 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 9997328 is about 3161.8551516475. The cubic root of 9997328 is about 215.4242784622.

It can be divided in two parts, 99973 and 28, that added together give a palindrome (100001).

The spelling of 9997328 in words is "nine million, nine hundred ninety-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 43 44 86 88 172 176 344 473 688 946 1321 1892 2642 3784 5284 7568 10568 14531 21136 29062 56803 58124 113606 116248 227212 232496 454424 624833 908848 1249666 2499332 4998664 9997328