Base | Representation |
---|---|
bin | 1010000100001… |
… | …1100111001000 |
3 | 2221102222220211 |
4 | 2201003213020 |
5 | 41302014401 |
6 | 4104530504 |
7 | 1021602211 |
oct | 241034710 |
9 | 87388824 |
10 | 42219976 |
11 | 21917547 |
12 | 12180a34 |
13 | 8993146 |
14 | 5870408 |
15 | 3a8e951 |
hex | 28439c8 |
42219976 has 32 divisors (see below), whose sum is σ = 88236000. Its totient is φ = 18821376.
The previous prime is 42219967. The next prime is 42219979. The reversal of 42219976 is 67991224.
It is not an unprimeable number, because it can be changed into a prime (42219979) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586 + ... + 10753.
It is an arithmetic number, because the mean of its divisors is an integer number (2757375).
Almost surely, 242219976 is an apocalyptic number.
42219976 is the 4110-th centered pentagonal number.
It is an amenable number.
42219976 is an abundant number, since it is smaller than the sum of its proper divisors (46016024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42219976 is a wasteful number, since it uses less digits than its factorization.
42219976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16381 (or 16377 counting only the distinct ones).
The product of its digits is 54432, while the sum is 40.
The square root of 42219976 is about 6497.6900510874. The cubic root of 42219976 is about 348.2084671583.
The spelling of 42219976 in words is "forty-two million, two hundred nineteen thousand, nine hundred seventy-six".
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