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487442 = 2251971
BaseRepresentation
bin1110111000000010010
3220202122102
41313000102
5111044232
614240402
74100054
oct1670022
9822572
10487442
1130324a
121b6102
13140b37
14c98d4
1599662
hex77012

487442 has 8 divisors (see below), whose sum is σ = 734832. Its totient is φ = 242500.

The previous prime is 487429. The next prime is 487447. The reversal of 487442 is 244784.

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (487447) by changing a digit.

487442 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, 17 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (91854).

2487442 is an apocalyptic number.

487442 is a deficient number, since it is larger than the sum of its proper divisors (247390).

487442 is a wasteful number, since it uses less digits than its factorization.

487442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224.

The product of its digits is 7168, while the sum is 29.

The square root of 487442 is about 698.1704662903. The cubic root of 487442 is about 78.6999244930.

It can be divided in two parts, 487 and 442, that added together give a palindrome (929).

The spelling of 487442 in words is "four hundred eighty-seven thousand, four hundred forty-two".

Divisors: 1 2 251 502 971 1942 243721 487442