Base | Representation |
---|---|
bin | 101100010101001… |
… | …0100111100000000 |
3 | 10211122222100210110 |
4 | 1120222110330000 |
5 | 11021244201231 |
6 | 403334031320 |
7 | 51601314630 |
oct | 13052247400 |
9 | 3748870713 |
10 | 1487490816 |
11 | 6a3716959 |
12 | 3561a8540 |
13 | 1a92325a6 |
14 | 1017a86c0 |
15 | 8a8c8046 |
hex | 58a94f00 |
1487490816 has 144 divisors (see below), whose sum is σ = 4545594368. Its totient is φ = 423014400.
The previous prime is 1487490811. The next prime is 1487490833. The reversal of 1487490816 is 6180947841.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1487490811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456386 + ... + 1457406.
Almost surely, 21487490816 is an apocalyptic number.
1487490816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1487490816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272797184).
1487490816 is an abundant number, since it is smaller than the sum of its proper divisors (3058103552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1487490816 is a wasteful number, since it uses less digits than its factorization.
1487490816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1318 (or 1304 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 48.
The square root of 1487490816 is about 38568.0024891101. The cubic root of 1487490816 is about 1141.5232576670.
The spelling of 1487490816 in words is "one billion, four hundred eighty-seven million, four hundred ninety thousand, eight hundred sixteen".
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