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9339138 = 23457649
BaseRepresentation
bin100011101000…
…000100000010
3122120110220000
4203220010002
54342323023
6532100430
7142244544
oct43500402
918513800
109339138
1152a96a6
123164716
131c1cb23
141351694
15c47243
hex8e8102

9339138 has 20 divisors (see below), whose sum is σ = 20926950. Its totient is φ = 3112992.

The previous prime is 9339119. The next prime is 9339139. The reversal of 9339138 is 8319339.

It can be written as a sum of positive squares in only one way, i.e., 4941729 + 4397409 = 2223^2 + 2097^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9339139) 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 9 ways as a sum of consecutive naturals, for example, 28663 + ... + 28986.

Almost surely, 29339138 is an apocalyptic number.

9339138 is an abundant number, since it is smaller than the sum of its proper divisors (11587812).

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

9339138 is a wasteful number, since it uses less digits than its factorization.

9339138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57663 (or 57654 counting only the distinct ones).

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

The square root of 9339138 is about 3056.0003272251. Note that the first 3 decimals coincide. The cubic root of 9339138 is about 210.5889589264.

The spelling of 9339138 in words is "nine million, three hundred thirty-nine thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 57649 115298 172947 345894 518841 1037682 1556523 3113046 4669569 9339138