Base | Representation |
---|---|
bin | 101001100111111… |
… | …1000101111010000 |
3 | 10121100002100211201 |
4 | 1103033320233100 |
5 | 10330022022423 |
6 | 350331320544 |
7 | 46416346240 |
oct | 12317705720 |
9 | 3540070751 |
10 | 1396673488 |
11 | 657427511 |
12 | 32b8b0154 |
13 | 193485622 |
14 | d36c7b20 |
15 | 829392ad |
hex | 533f8bd0 |
1396673488 has 80 divisors (see below), whose sum is σ = 3330322560. Its totient is φ = 553771008.
The previous prime is 1396673477. The next prime is 1396673503. The reversal of 1396673488 is 8843766931.
It is a happy number.
It is a super-4 number, since 4×13966734884 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 106120 + ... + 118552.
It is an arithmetic number, because the mean of its divisors is an integer number (41629032).
Almost surely, 21396673488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1396673488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665161280).
1396673488 is an abundant number, since it is smaller than the sum of its proper divisors (1933649072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1396673488 is a wasteful number, since it uses less digits than its factorization.
1396673488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12524 (or 12518 counting only the distinct ones).
The product of its digits is 5225472, while the sum is 55.
The square root of 1396673488 is about 37372.0950442974. The cubic root of 1396673488 is about 1117.8022079192.
The spelling of 1396673488 in words is "one billion, three hundred ninety-six million, six hundred seventy-three thousand, four hundred eighty-eight".
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