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487842 = 2381307
BaseRepresentation
bin1110111000110100010
3220210012020
41313012202
5111102332
614242310
74101165
oct1670642
9823166
10487842
11303583
121b6396
13141084
14c9adc
159982c
hex771a2

487842 has 8 divisors (see below), whose sum is σ = 975696. Its totient is φ = 162612.

The previous prime is 487831. The next prime is 487843. The reversal of 487842 is 248784.

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

487842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (487843) by changing a digit.

487842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40648 + ... + 40659.

It is an arithmetic number, because the mean of its divisors is an integer number (121962).

2487842 is an apocalyptic number.

487842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487842 is a wasteful number, since it uses less digits than its factorization.

487842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81312.

The product of its digits is 14336, while the sum is 33.

The square root of 487842 is about 698.4568705368. The cubic root of 487842 is about 78.7214459340.

The spelling of 487842 in words is "four hundred eighty-seven thousand, eight hundred forty-two".

Divisors: 1 2 3 6 81307 162614 243921 487842