Base | Representation |
---|---|
bin | 11001000101001… |
… | …101001011100100 |
3 | 1002022210121101000 |
4 | 121011031023210 |
5 | 1330210420413 |
6 | 105431033300 |
7 | 13266461616 |
oct | 3105151344 |
9 | 1068717330 |
10 | 420795108 |
11 | 1a6589658 |
12 | b8b0b830 |
13 | 692428b6 |
14 | 3dc58db6 |
15 | 26e20073 |
hex | 1914d2e4 |
420795108 has 48 divisors (see below), whose sum is σ = 1107252160. Its totient is φ = 138169152.
The previous prime is 420795091. The next prime is 420795131. The reversal of 420795108 is 801597024.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 21841 + ... + 36312.
Almost surely, 2420795108 is an apocalyptic number.
It is an amenable number.
420795108 is an abundant number, since it is smaller than the sum of its proper divisors (686457052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420795108 is a wasteful number, since it uses less digits than its factorization.
420795108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58233 (or 58225 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 420795108 is about 20513.2910085145. The cubic root of 420795108 is about 749.3595171981.
It can be divided in two parts, 420795 and 108, that added together give a triangular number (420903 = T917).
The spelling of 420795108 in words is "four hundred twenty million, seven hundred ninety-five thousand, one hundred eight".
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