Base | Representation |
---|---|
bin | 111100011101000… |
… | …0000010011111000 |
3 | 12020100221000211201 |
4 | 1320322000103320 |
5 | 13123242042134 |
6 | 533141103544 |
7 | 101160503131 |
oct | 17072002370 |
9 | 5210830751 |
10 | 2028471544 |
11 | 951023770 |
12 | 4873b7bb4 |
13 | 264335728 |
14 | 15358ac88 |
15 | bd138914 |
hex | 78e804f8 |
2028471544 has 32 divisors (see below), whose sum is σ = 4227441840. Its totient is φ = 904633600.
The previous prime is 2028471541. The next prime is 2028471553. The reversal of 2028471544 is 4451748202.
It is a super-2 number, since 2×20284715442 = 8229393609635487872, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028471541) 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, 212797 + ... + 222124.
Almost surely, 22028471544 is an apocalyptic number.
It is an amenable number.
2028471544 is an abundant number, since it is smaller than the sum of its proper divisors (2198970296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028471544 is a wasteful number, since it uses less digits than its factorization.
2028471544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434991 (or 434987 counting only the distinct ones).
The product of its (nonzero) digits is 71680, while the sum is 37.
The square root of 2028471544 is about 45038.5561935549. The cubic root of 2028471544 is about 1265.8715515314.
The spelling of 2028471544 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, five hundred forty-four".
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