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262880 = 2553153
BaseRepresentation
bin1000000001011100000
3111100121022
41000023200
531403010
65345012
72143262
oct1001340
9440538
10262880
1116a562
12108168
1392867
146bb32
1552d55
hex402e0

262880 has 48 divisors (see below), whose sum is σ = 653184. Its totient is φ = 99840.

The previous prime is 262877. The next prime is 262883. The reversal of 262880 is 88262.

It is an interprime number because it is at equal distance from previous prime (262877) and next prime (262883).

It is a d-powerful number, because it can be written as 217 + 63 + 8 + 217 + 83 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4934 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2262880 is an apocalyptic number.

262880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 262880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326592).

262880 is an abundant number, since it is smaller than the sum of its proper divisors (390304).

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

262880 is a wasteful number, since it uses less digits than its factorization.

262880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 262880 is about 512.7182462133. The cubic root of 262880 is about 64.0598398657.

The spelling of 262880 in words is "two hundred sixty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 53 62 80 106 124 155 160 212 248 265 310 424 496 530 620 848 992 1060 1240 1643 1696 2120 2480 3286 4240 4960 6572 8215 8480 13144 16430 26288 32860 52576 65720 131440 262880