Base | Representation |
---|---|
bin | 11001010000001… |
… | …011010111110000 |
3 | 1002112012201201220 |
4 | 121100023113300 |
5 | 1331424440110 |
6 | 110012425040 |
7 | 13333101144 |
oct | 3120132760 |
9 | 1075181656 |
10 | 423671280 |
11 | 1a817355a |
12 | b9a78180 |
13 | 69a0ba86 |
14 | 403a7224 |
15 | 272dc370 |
hex | 1940b5f0 |
423671280 has 80 divisors (see below), whose sum is σ = 1390652064. Its totient is φ = 106332160.
The previous prime is 423671279. The next prime is 423671299. The reversal of 423671280 is 82176324.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 47841 + ... + 56000.
Almost surely, 2423671280 is an apocalyptic number.
423671280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
423671280 is an abundant number, since it is smaller than the sum of its proper divisors (966980784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
423671280 is a wasteful number, since it uses less digits than its factorization.
423671280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103874 (or 103868 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 423671280 is about 20583.2767070746. The cubic root of 423671280 is about 751.0629550127.
The spelling of 423671280 in words is "four hundred twenty-three million, six hundred seventy-one thousand, two hundred eighty".
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