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255030540 = 223519223711
BaseRepresentation
bin11110011001101…
…11010100001100
3122202212220010120
433030313110030
51010241434130
641150104540
76214503162
oct1714672414
9582786116
10255030540
11120a5a246
12714ab150
1340ab435b
1425c29232
15175c9910
hexf33750c

255030540 has 48 divisors (see below), whose sum is σ = 751672320. Its totient is φ = 64428480.

The previous prime is 255030539. The next prime is 255030551. The reversal of 255030540 is 45030552.

It is a self number, because there is not a number n which added to its sum of digits gives 255030540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110716 + ... + 112995.

It is an arithmetic number, because the mean of its divisors is an integer number (15659840).

Almost surely, 2255030540 is an apocalyptic number.

255030540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255030540 is an abundant number, since it is smaller than the sum of its proper divisors (496641780).

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

255030540 is a wasteful number, since it uses less digits than its factorization.

255030540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223742 (or 223740 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 255030540 is about 15969.6756385344. The cubic root of 255030540 is about 634.1578850949.

The spelling of 255030540 in words is "two hundred fifty-five million, thirty thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 223711 447422 671133 894844 1118555 1342266 2237110 2684532 3355665 4250509 4474220 6711330 8501018 12751527 13422660 17002036 21252545 25503054 42505090 51006108 63757635 85010180 127515270 255030540