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488249867 = 731423469
BaseRepresentation
bin11101000110100…
…001101000001011
31021000201122220102
4131012201220023
51444442443432
6120240520015
715046025000
oct3506415013
91230648812
10488249867
11230671396
1211762000b
137a1cca61
1448bb78a7
152cce6962
hex1d1a1a0b

488249867 has 8 divisors (see below), whose sum is σ = 569388000. Its totient is φ = 418499592.

The previous prime is 488249863. The next prime is 488249873. The reversal of 488249867 is 768942884.

It is not a de Polignac number, because 488249867 - 22 = 488249863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488249863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711392 + ... + 712077.

It is an arithmetic number, because the mean of its divisors is an integer number (71173500).

Almost surely, 2488249867 is an apocalyptic number.

488249867 is a deficient number, since it is larger than the sum of its proper divisors (81138133).

488249867 is an equidigital number, since it uses as much as digits as its factorization.

488249867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423490 (or 1423476 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The square root of 488249867 is about 22096.3767844414. The cubic root of 488249867 is about 787.4337853792.

The spelling of 488249867 in words is "four hundred eighty-eight million, two hundred forty-nine thousand, eight hundred sixty-seven".

Divisors: 1 7 49 343 1423469 9964283 69749981 488249867