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3138792 = 233130783
BaseRepresentation
bin1011111110010011101000
312220110121120
423332103220
51300420132
6151135240
735451666
oct13762350
95813546
103138792
111854248
121074520
1385b897
145b9c36
1542002c
hex2fe4e8

3138792 has 16 divisors (see below), whose sum is σ = 7847040. Its totient is φ = 1046256.

The previous prime is 3138791. The next prime is 3138799. The reversal of 3138792 is 2978313.

It is not an unprimeable number, because it can be changed into a prime (3138791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65368 + ... + 65415.

It is an arithmetic number, because the mean of its divisors is an integer number (490440).

Almost surely, 23138792 is an apocalyptic number.

It is an amenable number.

3138792 is an abundant number, since it is smaller than the sum of its proper divisors (4708248).

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

3138792 is a wasteful number, since it uses less digits than its factorization.

3138792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130792 (or 130788 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 3138792 is about 1771.6636249582. The cubic root of 3138792 is about 146.4156542131.

The spelling of 3138792 in words is "three million, one hundred thirty-eight thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 130783 261566 392349 523132 784698 1046264 1569396 3138792