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256060 = 22573159
BaseRepresentation
bin111110100000111100
3111000020201
4332200330
531143220
65253244
72114350
oct764074
9430221
10256060
11165422
12104224
138c71c
1469460
1550d0a
hex3e83c

256060 has 48 divisors (see below), whose sum is σ = 645120. Its totient is φ = 83520.

The previous prime is 256057. The next prime is 256079. The reversal of 256060 is 60652.

256060 = T121 + T122 + ... + T148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311 + ... + 4369.

It is an arithmetic number, because the mean of its divisors is an integer number (13440).

2256060 is an apocalyptic number.

256060 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 256060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322560).

256060 is an abundant number, since it is smaller than the sum of its proper divisors (389060).

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

256060 is a wasteful number, since it uses less digits than its factorization.

256060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 256060 is about 506.0237148593. The cubic root of 256060 is about 63.5010023195.

The spelling of 256060 in words is "two hundred fifty-six thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 59 62 70 118 124 140 155 217 236 295 310 413 434 590 620 826 868 1085 1180 1652 1829 2065 2170 3658 4130 4340 7316 8260 9145 12803 18290 25606 36580 51212 64015 128030 256060