Base | Representation |
---|---|
bin | 1011011001011101110110 |
3 | 12121210121202 |
4 | 23121131312 |
5 | 1231103034 |
6 | 144012502 |
7 | 34253030 |
oct | 13313566 |
9 | 5553552 |
10 | 2987894 |
11 | 1760938 |
12 | 1001132 |
13 | 807cb0 |
14 | 57ac50 |
15 | 3e047e |
hex | 2d9776 |
2987894 has 16 divisors (see below), whose sum is σ = 5516448. Its totient is φ = 1181952.
The previous prime is 2987863. The next prime is 2987911. The reversal of 2987894 is 4987892.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8027 + ... + 8390.
It is an arithmetic number, because the mean of its divisors is an integer number (344778).
22987894 is an apocalyptic number.
2987894 is a deficient number, since it is larger than the sum of its proper divisors (2528554).
2987894 is a wasteful number, since it uses less digits than its factorization.
2987894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16439.
The product of its digits is 290304, while the sum is 47.
The square root of 2987894 is about 1728.5525736870. The cubic root of 2987894 is about 144.0306969023.
It can be divided in two parts, 298 and 7894, that added together give a 13-th power (8192 = 213).
The spelling of 2987894 in words is "two million, nine hundred eighty-seven thousand, eight hundred ninety-four".
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