Base | Representation |
---|---|
bin | 1010101101000101… |
… | …0101110110010000 |
3 | 21102020220101012100 |
4 | 2223101111312100 |
5 | 21341100343442 |
6 | 1153044000400 |
7 | 131130630606 |
oct | 25321256620 |
9 | 7366811170 |
10 | 2873449872 |
11 | 1244a95467 |
12 | 682390100 |
13 | 36a4060c7 |
14 | 1d38a3876 |
15 | 11c3e784c |
hex | ab455d90 |
2873449872 has 60 divisors (see below), whose sum is σ = 8057859264. Its totient is φ = 955888320.
The previous prime is 2873449867. The next prime is 2873449883. The reversal of 2873449872 is 2789443782.
It is a happy number.
2873449872 is a `hidden beast` number, since 2 + 87 + 3 + 4 + 498 + 72 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52597 + ... + 92267.
Almost surely, 22873449872 is an apocalyptic number.
It is an amenable number.
2873449872 is an abundant number, since it is smaller than the sum of its proper divisors (5184409392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2873449872 is a wasteful number, since it uses less digits than its factorization.
2873449872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40188 (or 40179 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 54.
The square root of 2873449872 is about 53604.5695067128. The cubic root of 2873449872 is about 1421.6778870062.
It can be divided in two parts, 28734 and 49872, that added together give a triangular number (78606 = T396).
The spelling of 2873449872 in words is "two billion, eight hundred seventy-three million, four hundred forty-nine thousand, eight hundred seventy-two".
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