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255049984 = 287142327
BaseRepresentation
bin11110011001111…
…00000100000000
3122202220212210201
433030330010000
51010243044414
641150334544
76214613650
oct1714740400
9582825721
10255049984
11120a72912
12714ba454
1340ac0167
1425c32360
15175d0574
hexf33c100

255049984 has 36 divisors (see below), whose sum is σ = 581836864. Its totient is φ = 109306368.

The previous prime is 255049981. The next prime is 255050011. The reversal of 255049984 is 489940552.

It is not an unprimeable number, because it can be changed into a prime (255049981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69372 + ... + 72955.

Almost surely, 2255049984 is an apocalyptic number.

It is an amenable number.

255049984 is an abundant number, since it is smaller than the sum of its proper divisors (326786880).

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

255049984 is an equidigital number, since it uses as much as digits as its factorization.

255049984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142350 (or 142336 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 255049984 is about 15970.2844057330. The cubic root of 255049984 is about 634.1740011419.

The spelling of 255049984 in words is "two hundred fifty-five million, forty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 142327 284654 569308 996289 1138616 1992578 2277232 3985156 4554464 7970312 9108928 15940624 18217856 31881248 36435712 63762496 127524992 255049984