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9988293 = 373167229
BaseRepresentation
bin100110000110…
…100011000101
3200210110100210
4212012203011
510024111133
6554030033
7150620250
oct46064305
920713323
109988293
115702397
123418319
1320b9443
141480097
15d24763
hex9868c5

9988293 has 32 divisors (see below), whose sum is σ = 16015360. Its totient is φ = 5417280.

The previous prime is 9988291. The next prime is 9988301. The reversal of 9988293 is 3928899.

It is not a de Polignac number, because 9988293 - 21 = 9988291 is a prime.

It is a Duffinian number.

It is a Curzon number.

9988293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43503 + ... + 43731.

It is an arithmetic number, because the mean of its divisors is an integer number (500480).

Almost surely, 29988293 is an apocalyptic number.

9988293 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

9988293 is a deficient number, since it is larger than the sum of its proper divisors (6027067).

9988293 is a wasteful number, since it uses less digits than its factorization.

9988293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its digits is 279936, while the sum is 48.

The square root of 9988293 is about 3160.4260788697. The cubic root of 9988293 is about 215.3593629506.

The spelling of 9988293 in words is "nine million, nine hundred eighty-eight thousand, two hundred ninety-three".

Divisors: 1 3 7 21 31 67 93 201 217 229 469 651 687 1407 1603 2077 4809 6231 7099 14539 15343 21297 43617 46029 49693 107401 149079 322203 475633 1426899 3329431 9988293