Base | Representation |
---|---|
bin | 1010011111001011010010 |
3 | 12011200002221 |
4 | 22133023102 |
5 | 1200433023 |
6 | 134531254 |
7 | 32236660 |
oct | 12371322 |
9 | 5150087 |
10 | 2749138 |
11 | 1608517 |
12 | b06b2a |
13 | 753412 |
14 | 517c30 |
15 | 39485d |
hex | 29f2d2 |
2749138 has 16 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 1108800.
The previous prime is 2749133. The next prime is 2749147. The reversal of 2749138 is 8319472.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is not an unprimeable number, because it can be changed into a prime (2749133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5538 + ... + 6013.
It is an arithmetic number, because the mean of its divisors is an integer number (311904).
22749138 is an apocalyptic number.
2749138 is a deficient number, since it is larger than the sum of its proper divisors (2241326).
2749138 is a wasteful number, since it uses less digits than its factorization.
2749138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11577.
The product of its digits is 12096, while the sum is 34.
The square root of 2749138 is about 1658.0524720286. The cubic root of 2749138 is about 140.0873264703.
The spelling of 2749138 in words is "two million, seven hundred forty-nine thousand, one hundred thirty-eight".
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