Base | Representation |
---|---|
bin | 110111110100001… |
… | …1011101101101100 |
3 | 11211112010122222220 |
4 | 1233220123231230 |
5 | 12313423322002 |
6 | 505502035340 |
7 | 64261064061 |
oct | 15750335554 |
9 | 4745118886 |
10 | 1872870252 |
11 | 881206160 |
12 | 443278b50 |
13 | 23b025166 |
14 | 13aa44c68 |
15 | ae64e7bc |
hex | 6fa1bb6c |
1872870252 has 24 divisors (see below), whose sum is σ = 4767306432. Its totient is φ = 567536400.
The previous prime is 1872870227. The next prime is 1872870269. The reversal of 1872870252 is 2520782781.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7094074 + ... + 7094337.
It is an arithmetic number, because the mean of its divisors is an integer number (198637768).
Almost surely, 21872870252 is an apocalyptic number.
1872870252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1872870252 is an abundant number, since it is smaller than the sum of its proper divisors (2894436180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1872870252 is a wasteful number, since it uses less digits than its factorization.
1872870252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14188429 (or 14188427 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 42.
The square root of 1872870252 is about 43276.6709902691. The cubic root of 1872870252 is about 1232.6389793727.
The spelling of 1872870252 in words is "one billion, eight hundred seventy-two million, eight hundred seventy thousand, two hundred fifty-two".
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