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4878491 = 53831109
BaseRepresentation
bin10010100111000010011011
3100011212000212
4102213002123
52222102431
6252321335
756316002
oct22470233
910155025
104878491
112832312
12177324b
13101a6a7
1490dc39
1566572b
hex4a709b

4878491 has 8 divisors (see below), whose sum is σ = 5034960. Its totient is φ = 4724512.

The previous prime is 4878469. The next prime is 4878499. The reversal of 4878491 is 1948784.

It is a happy number.

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 4878491 - 214 = 4862107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4878499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3845 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (629370).

Almost surely, 24878491 is an apocalyptic number.

4878491 is a deficient number, since it is larger than the sum of its proper divisors (156469).

4878491 is a wasteful number, since it uses less digits than its factorization.

4878491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its digits is 64512, while the sum is 41.

The square root of 4878491 is about 2208.7306309281. The cubic root of 4878491 is about 169.6010367468.

It can be divided in two parts, 48784 and 91, that multiplied together give a palindrome (4439344).

The spelling of 4878491 in words is "four million, eight hundred seventy-eight thousand, four hundred ninety-one".

Divisors: 1 53 83 1109 4399 58777 92047 4878491