Base | Representation |
---|---|
bin | 1001111101001001… |
… | …1001100000000001 |
3 | 20220020121000011001 |
4 | 2133102121200001 |
5 | 20433113303020 |
6 | 1121102452001 |
7 | 123140012524 |
oct | 23722314001 |
9 | 6806530131 |
10 | 2672400385 |
11 | 1151555a66 |
12 | 626b94001 |
13 | 337872205 |
14 | 1b4ccabbb |
15 | 10993250a |
hex | 9f499801 |
2672400385 has 8 divisors (see below), whose sum is σ = 3245518080. Its totient is φ = 2112161904.
The previous prime is 2672400361. The next prime is 2672400389. The reversal of 2672400385 is 5830042762.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2672400385 - 213 = 2672392193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2672400389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3219345 + ... + 3220174.
It is an arithmetic number, because the mean of its divisors is an integer number (405689760).
Almost surely, 22672400385 is an apocalyptic number.
It is an amenable number.
2672400385 is a deficient number, since it is larger than the sum of its proper divisors (573117695).
2672400385 is an equidigital number, since it uses as much as digits as its factorization.
2672400385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6439607.
The product of its (nonzero) digits is 80640, while the sum is 37.
The square root of 2672400385 is about 51695.2646283971. The cubic root of 2672400385 is about 1387.7157217818.
The spelling of 2672400385 in words is "two billion, six hundred seventy-two million, four hundred thousand, three hundred eighty-five".
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