Base | Representation |
---|---|
bin | 11001000101111… |
… | …011000001101111 |
3 | 1002100011010222002 |
4 | 121011323001233 |
5 | 1330232423040 |
6 | 105435042515 |
7 | 13301203244 |
oct | 3105730157 |
9 | 1070133862 |
10 | 420982895 |
11 | 1a66a7753 |
12 | b8ba043b |
13 | 692aa208 |
14 | 3dca75cb |
15 | 26e5aa15 |
hex | 1917b06f |
420982895 has 8 divisors (see below), whose sum is σ = 506278080. Its totient is φ = 336053920.
The previous prime is 420982873. The next prime is 420982907. The reversal of 420982895 is 598289024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 420982895 - 26 = 420982831 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89015 + ... + 93624.
It is an arithmetic number, because the mean of its divisors is an integer number (63284760).
Almost surely, 2420982895 is an apocalyptic number.
420982895 is a deficient number, since it is larger than the sum of its proper divisors (85295185).
420982895 is a wasteful number, since it uses less digits than its factorization.
420982895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183105.
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 420982895 is about 20517.8677011038. The cubic root of 420982895 is about 749.4709721122.
The spelling of 420982895 in words is "four hundred twenty million, nine hundred eighty-two thousand, eight hundred ninety-five".
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