Base | Representation |
---|---|
bin | 1010001110000110… |
… | …10100110101010101 |
3 | 112011101210120022201 |
4 | 11013003110311111 |
5 | 42214134141042 |
6 | 2304245524501 |
7 | 252654624634 |
oct | 50703246525 |
9 | 15141716281 |
10 | 5487021397 |
11 | 236630a430 |
12 | 1091713731 |
13 | 695a1b430 |
14 | 3a0a3951b |
15 | 221aa91b7 |
hex | 1470d4d55 |
5487021397 has 8 divisors (see below), whose sum is σ = 6446291040. Its totient is φ = 4604493360.
The previous prime is 5487021373. The next prime is 5487021409. The reversal of 5487021397 is 7931207845.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 5487021397 - 219 = 5486497109 is a prime.
It is a super-2 number, since 2×54870213972 = 60214807622271663218, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5487021307) 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, 19185247 + ... + 19185532.
It is an arithmetic number, because the mean of its divisors is an integer number (805786380).
Almost surely, 25487021397 is an apocalyptic number.
It is an amenable number.
5487021397 is a deficient number, since it is larger than the sum of its proper divisors (959269643).
5487021397 is a wasteful number, since it uses less digits than its factorization.
5487021397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38370803.
The product of its (nonzero) digits is 423360, while the sum is 46.
The square root of 5487021397 is about 74074.4314659249. The cubic root of 5487021397 is about 1763.7846198688.
It can be divided in two parts, 54870 and 21397, that added together give a palindrome (76267).
The spelling of 5487021397 in words is "five billion, four hundred eighty-seven million, twenty-one thousand, three hundred ninety-seven".
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