Base | Representation |
---|---|
bin | 11101010001010001101100 |
3 | 112102211021222 |
4 | 131101101230 |
5 | 3431013230 |
6 | 432242512 |
7 | 122135042 |
oct | 35212154 |
9 | 15384258 |
10 | 7672940 |
11 | 4370880 |
12 | 26a0438 |
13 | 1788602 |
14 | 103a392 |
15 | a186e5 |
hex | 75146c |
7672940 has 24 divisors (see below), whose sum is σ = 17578512. Its totient is φ = 2790080.
The previous prime is 7672937. The next prime is 7672943. The reversal of 7672940 is 492767.
7672940 = 212 + 222 + ... + 2842.
It is an interprime number because it is at equal distance from previous prime (7672937) and next prime (7672943).
It is a self number, because there is not a number n which added to its sum of digits gives 7672940.
It is not an unprimeable number, because it can be changed into a prime (7672943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17219 + ... + 17658.
It is an arithmetic number, because the mean of its divisors is an integer number (732438).
Almost surely, 27672940 is an apocalyptic number.
It is an amenable number.
7672940 is an abundant number, since it is smaller than the sum of its proper divisors (9905572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7672940 is a wasteful number, since it uses less digits than its factorization.
7672940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34897 (or 34895 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 7672940 is about 2770.0072202072. The cubic root of 7672940 is about 197.2364909629.
The spelling of 7672940 in words is "seven million, six hundred seventy-two thousand, nine hundred forty".
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