Search a number
-
+
5487521447 = 231491601261
BaseRepresentation
bin1010001110001010…
…01110111010100111
3112011102201222021002
411013011032322213
542214301141242
62304304343515
7252662106542
oct50705167247
915142658232
105487521447
1123666210a1
121091914b9b
13695b64c15
143a0b29859
15221b57432
hex14714eea7

5487521447 has 8 divisors (see below), whose sum is σ = 5764543200. Its totient is φ = 5213702560.

The previous prime is 5487521419. The next prime is 5487521561. The reversal of 5487521447 is 7441257845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5487521447 - 28 = 5487521191 is a prime.

It is a super-2 number, since 2×54875214472 = 60225783262569947618, 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 (5487524447) 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, 797204 + ... + 804057.

It is an arithmetic number, because the mean of its divisors is an integer number (720567900).

Almost surely, 25487521447 is an apocalyptic number.

5487521447 is a deficient number, since it is larger than the sum of its proper divisors (277021753).

5487521447 is a wasteful number, since it uses less digits than its factorization.

5487521447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601433.

The product of its digits is 1254400, while the sum is 47.

The square root of 5487521447 is about 74077.8067102422. The cubic root of 5487521447 is about 1763.8381980395.

The spelling of 5487521447 in words is "five billion, four hundred eighty-seven million, five hundred twenty-one thousand, four hundred forty-seven".

Divisors: 1 23 149 3427 1601261 36829003 238587889 5487521447