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487813423 = 4710379009
BaseRepresentation
bin11101000100110…
…111000100101111
31020222220111012211
4131010313010233
51444340012143
6120223311251
715042226366
oct3504670457
91228814184
10487813423
112303a3499
1211744b527
137a0a91c6
1448b027dd
152cc5c49d
hex1d13712f

487813423 has 4 divisors (see below), whose sum is σ = 498192480. Its totient is φ = 477434368.

The previous prime is 487813409. The next prime is 487813507. The reversal of 487813423 is 324318784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487813423 - 221 = 485716271 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487816423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189458 + ... + 5189551.

It is an arithmetic number, because the mean of its divisors is an integer number (124548120).

Almost surely, 2487813423 is an apocalyptic number.

487813423 is a deficient number, since it is larger than the sum of its proper divisors (10379057).

487813423 is a wasteful number, since it uses less digits than its factorization.

487813423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379056.

The product of its digits is 129024, while the sum is 40.

The square root of 487813423 is about 22086.4986586829. The cubic root of 487813423 is about 787.1990877875.

The spelling of 487813423 in words is "four hundred eighty-seven million, eight hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 47 10379009 487813423