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488870 = 25193183
BaseRepresentation
bin1110111010110100110
3220211121022
41313112212
5111120440
614251142
74104164
oct1672646
9824538
10488870
11304328
121b6ab2
13141695
14ca234
1599cb5
hex775a6

488870 has 32 divisors (see below), whose sum is σ = 967680. Its totient is φ = 177120.

The previous prime is 488861. The next prime is 488879. The reversal of 488870 is 78884.

It is an interprime number because it is at equal distance from previous prime (488861) and next prime (488879).

It is a self number, because there is not a number n which added to its sum of digits gives 488870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488879) by changing a digit.

488870 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 15 ways as a sum of consecutive naturals, for example, 5849 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2488870 is an apocalyptic number.

488870 is a deficient number, since it is larger than the sum of its proper divisors (478810).

488870 is a wasteful number, since it uses less digits than its factorization.

488870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 488870 is about 699.1923912629. The cubic root of 488870 is about 78.7767021233.

The spelling of 488870 in words is "four hundred eighty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 19 31 38 62 83 95 155 166 190 310 415 589 830 1178 1577 2573 2945 3154 5146 5890 7885 12865 15770 25730 48887 97774 244435 488870