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662480 = 24572132
BaseRepresentation
bin10100001101111010000
31020122202022
42201233100
5132144410
622111012
75426300
oct2415720
91218668
10662480
11412805
1227b468
131a2700
14133600
15d1455
hexa1bd0

662480 has 90 divisors (see below), whose sum is σ = 1940166. Its totient is φ = 209664.

The previous prime is 662477. The next prime is 662483. The reversal of 662480 is 84266.

It is an interprime number because it is at equal distance from previous prime (662477) and next prime (662483).

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 659344 = 56^2 + 812^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662483) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50954 + ... + 50966.

2662480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970083).

662480 is an abundant number, since it is smaller than the sum of its proper divisors (1277686).

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

662480 is a wasteful number, since it uses less digits than its factorization.

662480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 662480 is about 813.9287438099. The cubic root of 662480 is about 87.1747928150.

The spelling of 662480 in words is "six hundred sixty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 98 104 112 130 140 169 182 196 208 245 260 280 338 364 392 455 490 520 560 637 676 728 784 845 910 980 1040 1183 1274 1352 1456 1690 1820 1960 2366 2548 2704 3185 3380 3640 3920 4732 5096 5915 6370 6760 7280 8281 9464 10192 11830 12740 13520 16562 18928 23660 25480 33124 41405 47320 50960 66248 82810 94640 132496 165620 331240 662480