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255470256 = 243231151379
BaseRepresentation
bin11110011101000…
…10101010110000
3122210201020022100
433032202222300
51010400022011
641203340400
76221314146
oct1716425260
9583636270
10255470256
1112122a648
1271681700
1340c09542
1425d01596
1517664d56
hexf3a2ab0

255470256 has 120 divisors (see below), whose sum is σ = 744872960. Its totient is φ = 81648000.

The previous prime is 255470233. The next prime is 255470261. The reversal of 255470256 is 652074552.

255470256 is digitally balanced in base 2, 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 255470256.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673875 + ... + 674253.

Almost surely, 2255470256 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 255470256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372436480).

255470256 is an abundant number, since it is smaller than the sum of its proper divisors (489402704).

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

255470256 is a wasteful number, since it uses less digits than its factorization.

255470256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 255470256 is about 15983.4369270192. The cubic root of 255470256 is about 634.5221411570.

The spelling of 255470256 in words is "two hundred fifty-five million, four hundred seventy thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 151 186 248 279 302 372 379 453 496 558 604 744 758 906 1116 1137 1208 1359 1488 1516 1812 2232 2274 2416 2718 3032 3411 3624 4464 4548 4681 5436 6064 6822 7248 9096 9362 10872 11749 13644 14043 18192 18724 21744 23498 27288 28086 35247 37448 42129 46996 54576 56172 57229 70494 74896 84258 93992 105741 112344 114458 140988 168516 171687 187984 211482 224688 228916 281976 337032 343374 422964 457832 515061 563952 674064 686748 845928 915664 1030122 1373496 1691856 1774099 2060244 2746992 3548198 4120488 5322297 7096396 8240976 10644594 14192792 15966891 21289188 28385584 31933782 42578376 63867564 85156752 127735128 255470256