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255134320 = 2457455597
BaseRepresentation
bin11110011010100…
…00101001110000
3122210002011111021
433031100221300
51010303244240
641152225224
76215414560
oct1715205160
9583064437
10255134320
11121020211
127153b214
1340b1c66c
1425c54da0
15175ea54a
hexf350a70

255134320 has 40 divisors (see below), whose sum is σ = 677929824. Its totient is φ = 87474432.

The previous prime is 255134273. The next prime is 255134323. The reversal of 255134320 is 23431552.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255134323) by changing a digit.

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, 227239 + ... + 228358.

Almost surely, 2255134320 is an apocalyptic number.

255134320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255134320 is an abundant number, since it is smaller than the sum of its proper divisors (422795504).

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

255134320 is a wasteful number, since it uses less digits than its factorization.

255134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455617 (or 455611 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 255134320 is about 15972.9245913202. The cubic root of 255134320 is about 634.2438930689.

Adding to 255134320 its reverse (23431552), we get a palindrome (278565872).

The spelling of 255134320 in words is "two hundred fifty-five million, one hundred thirty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 455597 911194 1822388 2277985 3189179 3644776 4555970 6378358 7289552 9111940 12756716 15945895 18223880 25513432 31891790 36447760 51026864 63783580 127567160 255134320