Base | Representation |
---|---|
bin | 11010111110100100011110 |
3 | 111022022000001 |
4 | 122332210132 |
5 | 3302301110 |
6 | 411324514 |
7 | 114053110 |
oct | 32764436 |
9 | 14268001 |
10 | 7072030 |
11 | 3aa0359 |
12 | 245073a |
13 | 1607c44 |
14 | d213b0 |
15 | 94a63a |
hex | 6be91e |
7072030 has 32 divisors (see below), whose sum is σ = 15022080. Its totient is φ = 2345760.
The previous prime is 7072007. The next prime is 7072031. The reversal of 7072030 is 302707.
7072030 = T139 + T140 + ... + T355.
It is a junction number, because it is equal to n+sod(n) for n = 7071989 and 7072007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7072031) 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, 541 + ... + 3799.
It is an arithmetic number, because the mean of its divisors is an integer number (469440).
Almost surely, 27072030 is an apocalyptic number.
7072030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
7072030 is an abundant number, since it is smaller than the sum of its proper divisors (7950050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7072030 is a wasteful number, since it uses less digits than its factorization.
7072030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3304.
The product of its (nonzero) digits is 294, while the sum is 19.
The square root of 7072030 is about 2659.3288627020. The cubic root of 7072030 is about 191.9470159065.
Adding to 7072030 its reverse (302707), we get a palindrome (7374737).
The spelling of 7072030 in words is "seven million, seventy-two thousand, thirty".
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