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3138468 = 223416379
BaseRepresentation
bin1011111110001110100100
312220110011120
423332032210
51300412333
6151133540
735451024
oct13761644
95813146
103138468
111853a83
1210742b0
1385b6a8
145b9a84
1541edb3
hex2fe3a4

3138468 has 24 divisors (see below), whose sum is σ = 7502880. Its totient is φ = 1020480.

The previous prime is 3138449. The next prime is 3138469. The reversal of 3138468 is 8648313.

It is not an unprimeable number, because it can be changed into a prime (3138469) 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 7 ways as a sum of consecutive naturals, for example, 2698 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (312620).

Almost surely, 23138468 is an apocalyptic number.

It is an amenable number.

3138468 is an abundant number, since it is smaller than the sum of its proper divisors (4364412).

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

3138468 is a wasteful number, since it uses less digits than its factorization.

3138468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427 (or 6425 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 3138468 is about 1771.5721831187. The cubic root of 3138468 is about 146.4106161491.

The spelling of 3138468 in words is "three million, one hundred thirty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 6379 12758 19137 25516 38274 76548 261539 523078 784617 1046156 1569234 3138468