Search a number
-
+
255606208 = 26112132539
BaseRepresentation
bin11110011110000…
…11110111000000
3122210222010210121
433033003313000
51010413344313
641210310024
76222421414
oct1717036700
9583863717
10255606208
11121312800
1271728314
1340c563a0
1425d38d44
151769028d
hexf3c3dc0

255606208 has 84 divisors (see below), whose sum is σ = 600643960. Its totient is φ = 107205120.

The previous prime is 255606193. The next prime is 255606217. The reversal of 255606208 is 802606552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99403 + ... + 101941.

Almost surely, 2255606208 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 255606208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300321980).

255606208 is an abundant number, since it is smaller than the sum of its proper divisors (345037752).

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

255606208 is a wasteful number, since it uses less digits than its factorization.

255606208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 255606208 is about 15987.6892639305. The cubic root of 255606208 is about 634.6346777496.

The spelling of 255606208 in words is "two hundred fifty-five million, six hundred six thousand, two hundred eight".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 64 88 104 121 143 176 208 242 286 352 416 484 572 704 832 968 1144 1573 1936 2288 2539 3146 3872 4576 5078 6292 7744 9152 10156 12584 20312 25168 27929 33007 40624 50336 55858 66014 81248 100672 111716 132028 162496 223432 264056 307219 363077 446864 528112 614438 726154 893728 1056224 1228876 1452308 1787456 2112448 2457752 2904616 3993847 4915504 5809232 7987694 9831008 11618464 15975388 19662016 23236928 31950776 63901552 127803104 255606208