Base | Representation |
---|---|
bin | 101001010011110… |
… | …0101011000111000 |
3 | 10120121012121100211 |
4 | 1102213211120320 |
5 | 10314320432342 |
6 | 345313040504 |
7 | 46230504400 |
oct | 12247453070 |
9 | 3517177324 |
10 | 1386108472 |
11 | 6514708a1 |
12 | 328256134 |
13 | 191226838 |
14 | d2137800 |
15 | 81a4dc17 |
hex | 529e5638 |
1386108472 has 48 divisors (see below), whose sum is σ = 3027787560. Its totient is φ = 593159616.
The previous prime is 1386108439. The next prime is 1386108473. The reversal of 1386108472 is 2748016831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1386108473) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306258 + ... + 310750.
Almost surely, 21386108472 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 1386108472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513893780).
1386108472 is an abundant number, since it is smaller than the sum of its proper divisors (1641679088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1386108472 is a wasteful number, since it uses less digits than its factorization.
1386108472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5300 (or 5289 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 1386108472 is about 37230.4777299459. The cubic root of 1386108472 is about 1114.9765650259.
The spelling of 1386108472 in words is "one billion, three hundred eighty-six million, one hundred eight thousand, four hundred seventy-two".
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