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485620 = 22524281
BaseRepresentation
bin1110110100011110100
3220200010221
41312203310
5111014440
614224124
74061542
oct1664364
9820127
10485620
11301943
121b5044
13140065
14c8d92
1598d4a
hex768f4

485620 has 12 divisors (see below), whose sum is σ = 1019844. Its totient is φ = 194240.

The previous prime is 485609. The next prime is 485647. The reversal of 485620 is 26584.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 139876 = 588^2 + 374^2 .

It is a congruent number.

It is an unprimeable number.

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, 12121 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (84987).

2485620 is an apocalyptic number.

It is an amenable number.

485620 is an abundant number, since it is smaller than the sum of its proper divisors (534224).

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

485620 is a wasteful number, since it uses less digits than its factorization.

485620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24290 (or 24288 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 485620 is about 696.8644057491. The cubic root of 485620 is about 78.6017450896.

It can be divided in two parts, 485 and 620, that multiplied together give a triangular number (300700 = T775).

The spelling of 485620 in words is "four hundred eighty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 24281 48562 97124 121405 242810 485620