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255631350 = 235213337389
BaseRepresentation
bin11110011110010…
…01111111110110
3122211000102021210
433033021333312
51010420200400
641211022250
76222554622
oct1717117766
9584012253
10255631350
1112132a687
127173a986
1340c64970
1425d44182
1517697950
hexf3c9ff6

255631350 has 96 divisors (see below), whose sum is σ = 686518560. Its totient is φ = 62576640.

The previous prime is 255631333. The next prime is 255631357. The reversal of 255631350 is 53136552.

255631350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255631357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 656956 + ... + 657344.

It is an arithmetic number, because the mean of its divisors is an integer number (7151235).

Almost surely, 2255631350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255631350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343259280).

255631350 is an abundant number, since it is smaller than the sum of its proper divisors (430887210).

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

255631350 is a wasteful number, since it uses less digits than its factorization.

255631350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 255631350 is about 15988.4755370861. The cubic root of 255631350 is about 634.6554850976.

The spelling of 255631350 in words is "two hundred fifty-five million, six hundred thirty-one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 337 389 390 650 674 778 975 1011 1167 1685 1945 1950 2022 2334 3370 3890 4381 5055 5057 5835 8425 8762 9725 10110 10114 11670 13143 15171 16850 19450 21905 25275 25285 26286 29175 30342 43810 50550 50570 58350 65715 75855 109525 126425 131093 131430 151710 219050 252850 262186 328575 379275 393279 655465 657150 758550 786558 1310930 1704209 1966395 3277325 3408418 3932790 5112627 6554650 8521045 9831975 10225254 17042090 19663950 25563135 42605225 51126270 85210450 127815675 255631350