Search a number
-
+
488071 = 2711801
BaseRepresentation
bin1110111001010000111
3220210111201
41313022013
5111104241
614243331
74101643
oct1671207
9823451
10488071
11303771
121b6547
131411cc
14c9c23
1599931
hex77287

488071 has 4 divisors (see below), whose sum is σ = 490144. Its totient is φ = 486000.

The previous prime is 488069. The next prime is 488119. The reversal of 488071 is 170884.

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

It is a 4-Lehmer number, since φ(488071) divides (488071-1)4.

It is a cyclic number.

It is not a de Polignac number, because 488071 - 21 = 488069 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488011) 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 3 ways as a sum of consecutive naturals, for example, 630 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (122536).

2488071 is an apocalyptic number.

488071 is a deficient number, since it is larger than the sum of its proper divisors (2073).

488071 is a wasteful number, since it uses less digits than its factorization.

488071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 488071 is about 698.6207841168. The cubic root of 488071 is about 78.7337616640.

The spelling of 488071 in words is "four hundred eighty-eight thousand, seventy-one".

Divisors: 1 271 1801 488071