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9339381 = 34115301
BaseRepresentation
bin100011101000…
…000111110101
3122120111020000
4203220013311
54342330011
6532101513
7142245342
oct43500765
918514200
109339381
1152a98a7
123164899
131c1cc7c
1413517c9
15c47356
hex8e81f5

9339381 has 10 divisors (see below), whose sum is σ = 13951542. Its totient is φ = 6226200.

The previous prime is 9339373. The next prime is 9339391. The reversal of 9339381 is 1839339.

9339381 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 731025 = 2934^2 + 855^2 .

It is not a de Polignac number, because 9339381 - 23 = 9339373 is a prime.

It is a super-2 number, since 2×93393812 = 174448074926322, which contains 22 as substring.

It is a Curzon number.

9339381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9339361) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57570 + ... + 57731.

Almost surely, 29339381 is an apocalyptic number.

It is an amenable number.

9339381 is a deficient number, since it is larger than the sum of its proper divisors (4612161).

9339381 is a wasteful number, since it uses less digits than its factorization.

9339381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115313 (or 115304 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 9339381 is about 3056.0400848156. The cubic root of 9339381 is about 210.5907853859.

The spelling of 9339381 in words is "nine million, three hundred thirty-nine thousand, three hundred eighty-one".

Divisors: 1 3 9 27 81 115301 345903 1037709 3113127 9339381