Base | Representation |
---|---|
bin | 1011010111010101000110 |
3 | 12121100121121 |
4 | 23113111012 |
5 | 1230313032 |
6 | 143504154 |
7 | 34215355 |
oct | 13272506 |
9 | 5540547 |
10 | 2979142 |
11 | 1755301 |
12 | bb805a |
13 | 80400a |
14 | 57799c |
15 | 3dca97 |
hex | 2d7546 |
2979142 has 16 divisors (see below), whose sum is σ = 4681152. Its totient is φ = 1420480.
The previous prime is 2979139. The next prime is 2979149. The reversal of 2979142 is 2419792.
It is a happy number.
It is an Ulam number.
It is a plaindrome in base 14.
It is a junction number, because it is equal to n+sod(n) for n = 2979098 and 2979107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2979149) 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, 3468 + ... + 4240.
It is an arithmetic number, because the mean of its divisors is an integer number (292572).
22979142 is an apocalyptic number.
2979142 is a deficient number, since it is larger than the sum of its proper divisors (1702010).
2979142 is a wasteful number, since it uses less digits than its factorization.
2979142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863.
The product of its digits is 9072, while the sum is 34.
The square root of 2979142 is about 1726.0191192452. The cubic root of 2979142 is about 143.8899300328.
The spelling of 2979142 in words is "two million, nine hundred seventy-nine thousand, one hundred forty-two".
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