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255493712 = 24291992767
BaseRepresentation
bin11110011101010…
…00011001010000
3122210202102111002
433032220121100
51010401244322
641204041132
76221442425
oct1716503120
9583672432
10255493712
11121246231
12716931a8
1340c17116
1425d09d4c
151766bc92
hexf3a8650

255493712 has 40 divisors (see below), whose sum is σ = 514848000. Its totient is φ = 122677632.

The previous prime is 255493687. The next prime is 255493753. The reversal of 255493712 is 217394552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90953 + ... + 93719.

It is an arithmetic number, because the mean of its divisors is an integer number (12871200).

Almost surely, 2255493712 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 255493712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257424000).

255493712 is an abundant number, since it is smaller than the sum of its proper divisors (259354288).

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

255493712 is a wasteful number, since it uses less digits than its factorization.

255493712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2997 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 255493712 is about 15984.1706697595. The cubic root of 255493712 is about 634.5415601116.

The spelling of 255493712 in words is "two hundred fifty-five million, four hundred ninety-three thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 29 58 116 199 232 398 464 796 1592 2767 3184 5534 5771 11068 11542 22136 23084 44272 46168 80243 92336 160486 320972 550633 641944 1101266 1283888 2202532 4405064 8810128 15968357 31936714 63873428 127746856 255493712