Base | Representation |
---|---|
bin | 110010001110010… |
… | …110111101101010 |
3 | 2011201112210000200 |
4 | 302032112331222 |
5 | 3211202443444 |
6 | 215340213030 |
7 | 26611123200 |
oct | 6216267552 |
9 | 2151483020 |
10 | 842624874 |
11 | 3a27045a3 |
12 | 1b623a176 |
13 | 105758400 |
14 | 7dca3070 |
15 | 4de96969 |
hex | 32396f6a |
842624874 has 108 divisors (see below), whose sum is σ = 2300098086. Its totient is φ = 222191424.
The previous prime is 842624851. The next prime is 842624879. The reversal of 842624874 is 478426248.
It can be written as a sum of positive squares in 3 ways, for example, as 548262225 + 294362649 = 23415^2 + 17157^2 .
It is not an unprimeable number, because it can be changed into a prime (842624879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 146232 + ... + 151884.
Almost surely, 2842624874 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 842624874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150049043).
842624874 is an abundant number, since it is smaller than the sum of its proper divisors (1457473212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
842624874 is a wasteful number, since it uses less digits than its factorization.
842624874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5701 (or 5678 counting only the distinct ones).
The product of its digits is 688128, while the sum is 45.
The square root of 842624874 is about 29028.0015502273. The cubic root of 842624874 is about 944.5205798656.
The spelling of 842624874 in words is "eight hundred forty-two million, six hundred twenty-four thousand, eight hundred seventy-four".
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