Search a number
-
+
255143504 = 24711267281
BaseRepresentation
bin11110011010100…
…10111001010000
3122210002122002102
433031102321100
51010304043004
641152335532
76215453420
oct1715227120
9583078072
10255143504
11121027100
12715445a8
1340b238b5
1425c58480
15175ed11e
hexf352e50

255143504 has 120 divisors (see below), whose sum is σ = 632501184. Its totient is φ = 97574400.

The previous prime is 255143503. The next prime is 255143507. The reversal of 255143504 is 405341552.

255143504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255143503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907844 + ... + 908124.

Almost surely, 2255143504 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 255143504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316250592).

255143504 is an abundant number, since it is smaller than the sum of its proper divisors (377357680).

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

255143504 is a wasteful number, since it uses less digits than its factorization.

255143504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 255143504 is about 15973.2120752214. The cubic root of 255143504 is about 634.2515032120.

The spelling of 255143504 in words is "two hundred fifty-five million, one hundred forty-three thousand, five hundred four".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 67 77 88 112 121 134 154 176 242 268 281 308 469 484 536 562 616 737 847 938 968 1072 1124 1232 1474 1694 1876 1936 1967 2248 2948 3091 3388 3752 3934 4496 5159 5896 6182 6776 7504 7868 8107 10318 11792 12364 13552 15736 16214 18827 20636 21637 24728 31472 32428 34001 37654 41272 43274 49456 56749 64856 68002 75308 82544 86548 113498 129712 131789 136004 150616 173096 207097 226996 238007 263578 272008 301232 346192 414194 453992 476014 527156 544016 828388 907984 952028 1054312 1449679 1656776 1904056 2108624 2278067 2899358 3313552 3808112 4556134 5798716 9112268 11597432 15946469 18224536 23194864 31892938 36449072 63785876 127571752 255143504