Base | Representation |
---|---|
bin | 1011001111100010101010 |
3 | 12112201212010 |
4 | 23033202222 |
5 | 1223302432 |
6 | 143100350 |
7 | 34023354 |
oct | 13174252 |
9 | 5481763 |
10 | 2947242 |
11 | 1733341 |
12 | ba16b6 |
13 | 7c263c |
14 | 56a0d4 |
15 | 3d33cc |
hex | 2cf8aa |
2947242 has 32 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 918000.
The previous prime is 2947213. The next prime is 2947249. The reversal of 2947242 is 2427492.
It is not an unprimeable number, because it can be changed into a prime (2947249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11617 + ... + 11867.
It is an arithmetic number, because the mean of its divisors is an integer number (196560).
22947242 is an apocalyptic number.
2947242 is an abundant number, since it is smaller than the sum of its proper divisors (3342678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2947242 is a wasteful number, since it uses less digits than its factorization.
2947242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378.
The product of its digits is 8064, while the sum is 30.
The square root of 2947242 is about 1716.7533311457. The cubic root of 2947242 is about 143.3745053288.
The spelling of 2947242 in words is "two million, nine hundred forty-seven thousand, two hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.129 sec. • engine limits •