Base | Representation |
---|---|
bin | 1010011011111010… |
… | …0101111011100000 |
3 | 21020020101012012212 |
4 | 2212332211323200 |
5 | 21214131114034 |
6 | 1141552141252 |
7 | 126264505106 |
oct | 24676457340 |
9 | 7206335185 |
10 | 2801426144 |
11 | 1208371a20 |
12 | 662237828 |
13 | 35850940a |
14 | 1c80b5c76 |
15 | 115e1c2ce |
hex | a6fa5ee0 |
2801426144 has 24 divisors (see below), whose sum is σ = 6016700088. Its totient is φ = 1273375360.
The previous prime is 2801426143. The next prime is 2801426149. The reversal of 2801426144 is 4416241082.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a self number, because there is not a number n which added to its sum of digits gives 2801426144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2801426143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978947 + ... + 3979650.
It is an arithmetic number, because the mean of its divisors is an integer number (250695837).
Almost surely, 22801426144 is an apocalyptic number.
It is an amenable number.
2801426144 is an abundant number, since it is smaller than the sum of its proper divisors (3215273944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2801426144 is a wasteful number, since it uses less digits than its factorization.
2801426144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7958618 (or 7958610 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 2801426144 is about 52928.5002999329. The cubic root of 2801426144 is about 1409.6990025303.
The spelling of 2801426144 in words is "two billion, eight hundred one million, four hundred twenty-six thousand, one hundred forty-four".
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