Base | Representation |
---|---|
bin | 1011011001011110100001 |
3 | 12121210200100 |
4 | 23121132201 |
5 | 1231103222 |
6 | 144013013 |
7 | 34253121 |
oct | 13313641 |
9 | 5553610 |
10 | 2987937 |
11 | 1760977 |
12 | 1001169 |
13 | 808014 |
14 | 57ac81 |
15 | 3e04ac |
hex | 2d97a1 |
2987937 has 24 divisors (see below), whose sum is σ = 4661280. Its totient is φ = 1837440.
The previous prime is 2987923. The next prime is 2987947. The reversal of 2987937 is 7397892.
It is a de Polignac number, because none of the positive numbers 2k-2987937 is a prime.
2987937 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 2987892 and 2987901.
It is not an unprimeable number, because it can be changed into a prime (2987947) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8862 + ... + 9192.
It is an arithmetic number, because the mean of its divisors is an integer number (194220).
22987937 is an apocalyptic number.
It is an amenable number.
2987937 is a deficient number, since it is larger than the sum of its proper divisors (1673343).
2987937 is a wasteful number, since it uses less digits than its factorization.
2987937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 413 (or 410 counting only the distinct ones).
The product of its digits is 190512, while the sum is 45.
The square root of 2987937 is about 1728.5650117945. The cubic root of 2987937 is about 144.0313878338.
Subtracting from 2987937 its sum of digits (45), we obtain a palindrome (2987892).
The spelling of 2987937 in words is "two million, nine hundred eighty-seven thousand, nine hundred thirty-seven".
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