Search a number
-
+
2550486540 = 2235717357211
BaseRepresentation
bin1001100000000101…
…0101011000001100
320120202012010210110
42120001111120030
520210411032130
61101025440020
7120126530550
oct23001253014
96522163713
102550486540
111099757318
125b21a0010
13318528144
141a2a33860
15edd9eab0
hex9805560c

2550486540 has 96 divisors (see below), whose sum is σ = 8641672704. Its totient is φ = 548674560.

The previous prime is 2550486539. The next prime is 2550486559. The reversal of 2550486540 is 456840552.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 171466 + ... + 185745.

It is an arithmetic number, because the mean of its divisors is an integer number (90017424).

Almost surely, 22550486540 is an apocalyptic number.

2550486540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550486540 is an abundant number, since it is smaller than the sum of its proper divisors (6091186164).

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

2550486540 is a wasteful number, since it uses less digits than its factorization.

2550486540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357247 (or 357245 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 2550486540 is about 50502.3419258949. The cubic root of 2550486540 is about 1366.2840926640.

The spelling of 2550486540 in words is "two billion, five hundred fifty million, four hundred eighty-six thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 7140 357211 714422 1071633 1428844 1786055 2143266 2500477 3572110 4286532 5000954 5358165 6072587 7144220 7501431 10001908 10716330 12145174 12502385 15002862 18217761 21432660 24290348 25004770 30005724 30362935 36435522 37507155 42508109 50009540 60725870 72871044 75014310 85016218 91088805 121451740 127524327 150028620 170032436 182177610 212540545 255048654 364355220 425081090 510097308 637621635 850162180 1275243270 2550486540