Base | Representation |
---|---|
bin | 11101010001000101001100 |
3 | 112102210012100 |
4 | 131101011030 |
5 | 3431002030 |
6 | 432235100 |
7 | 122132520 |
oct | 35210514 |
9 | 15383170 |
10 | 7672140 |
11 | 4370213 |
12 | 269ba90 |
13 | 1788138 |
14 | 1039d80 |
15 | a18360 |
hex | 75114c |
7672140 has 72 divisors (see below), whose sum is σ = 26601120. Its totient is φ = 1753344.
The previous prime is 7672127. The next prime is 7672141. The reversal of 7672140 is 412767.
It is not an unprimeable number, because it can be changed into a prime (7672141) 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, 1785 + ... + 4304.
It is an arithmetic number, because the mean of its divisors is an integer number (369460).
Almost surely, 27672140 is an apocalyptic number.
7672140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
7672140 is an abundant number, since it is smaller than the sum of its proper divisors (18928980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7672140 is a wasteful number, since it uses less digits than its factorization.
7672140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6111 (or 6106 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 7672140 is about 2769.8628124873. The cubic root of 7672140 is about 197.2296359340.
The spelling of 7672140 in words is "seven million, six hundred seventy-two thousand, one hundred forty".
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