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488843820 = 223254166239
BaseRepresentation
bin11101001000110…
…010101000101100
31021001211211122200
4131020302220230
52000121000240
6120301341500
715054050433
oct3510625054
91231754580
10488843820
11230a37663
12117867890
137a37a1ca
1448cd011a
152cdb2930
hex1d232a2c

488843820 has 72 divisors (see below), whose sum is σ = 1519015680. Its totient is φ = 127176960.

The previous prime is 488843801. The next prime is 488843821. The reversal of 488843820 is 28348884.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (488843821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25740 + ... + 40499.

It is an arithmetic number, because the mean of its divisors is an integer number (21097440).

Almost surely, 2488843820 is an apocalyptic number.

It is an amenable number.

488843820 is an abundant number, since it is smaller than the sum of its proper divisors (1030171860).

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

488843820 is a wasteful number, since it uses less digits than its factorization.

488843820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66295 (or 66290 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The square root of 488843820 is about 22109.8127536169. The cubic root of 488843820 is about 787.7529587970.

The spelling of 488843820 in words is "four hundred eighty-eight million, eight hundred forty-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 41 45 60 82 90 123 164 180 205 246 369 410 492 615 738 820 1230 1476 1845 2460 3690 7380 66239 132478 198717 264956 331195 397434 596151 662390 794868 993585 1192302 1324780 1987170 2384604 2715799 2980755 3974340 5431598 5961510 8147397 10863196 11923020 13578995 16294794 24442191 27157990 32589588 40736985 48884382 54315980 81473970 97768764 122210955 162947940 244421910 488843820