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3138884 = 227112103
BaseRepresentation
bin1011111110010101000100
312220110201222
423332111010
51300421014
6151135512
735452160
oct13762504
95813658
103138884
111854321
121074598
1385b938
145b9ca0
1542008e
hex2fe544

3138884 has 12 divisors (see below), whose sum is σ = 6277824. Its totient is φ = 1345224.

The previous prime is 3138881. The next prime is 3138893. The reversal of 3138884 is 4888313.

3138884 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3138884 is an admirable number.

3138884 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3138881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56024 + ... + 56079.

It is an arithmetic number, because the mean of its divisors is an integer number (523152).

Almost surely, 23138884 is an apocalyptic number.

It is an amenable number.

3138884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3138884 is a wasteful number, since it uses less digits than its factorization.

3138884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112114 (or 112112 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 3138884 is about 1771.6895890646. The cubic root of 3138884 is about 146.4170847112.

The spelling of 3138884 in words is "three million, one hundred thirty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 112103 224206 448412 784721 1569442 3138884