Base | Representation |
---|---|
bin | 1011011001011110001100 |
3 | 12121210122120 |
4 | 23121132030 |
5 | 1231103131 |
6 | 144012540 |
7 | 34253061 |
oct | 13313614 |
9 | 5553576 |
10 | 2987916 |
11 | 1760958 |
12 | 1001150 |
13 | 807cc9 |
14 | 57ac68 |
15 | 3e0496 |
hex | 2d978c |
2987916 has 24 divisors (see below), whose sum is σ = 7143024. Its totient is φ = 971520.
The previous prime is 2987911. The next prime is 2987923. The reversal of 2987916 is 6197892.
It is a super-3 number, since 3×29879163 = 80025133328884173888, which contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (2987911) 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, 2545 + ... + 3528.
It is an arithmetic number, because the mean of its divisors is an integer number (297626).
22987916 is an apocalyptic number.
It is an amenable number.
2987916 is an abundant number, since it is smaller than the sum of its proper divisors (4155108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2987916 is a wasteful number, since it uses less digits than its factorization.
2987916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6121 (or 6119 counting only the distinct ones).
The product of its digits is 54432, while the sum is 42.
The square root of 2987916 is about 1728.5589373811. The cubic root of 2987916 is about 144.0310504030.
The spelling of 2987916 in words is "two million, nine hundred eighty-seven thousand, nine hundred sixteen".
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