Search a number
-
+
275080740 = 2235111724517
BaseRepresentation
bin10000011001010…
…110011000100100
3201011121112211120
4100121112120210
51030410040430
643143533540
76550101444
oct2031263044
9634545746
10275080740
11131304260
127815a2b0
1344cb458c
1428768124
151923a610
hex10656624

275080740 has 96 divisors (see below), whose sum is σ = 889709184. Its totient is φ = 62760960.

The previous prime is 275080739. The next prime is 275080807. The reversal of 275080740 is 47080572.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1039 + ... + 23478.

It is an arithmetic number, because the mean of its divisors is an integer number (9267804).

Almost surely, 2275080740 is an apocalyptic number.

275080740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275080740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444854592).

275080740 is an abundant number, since it is smaller than the sum of its proper divisors (614628444).

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

275080740 is a wasteful number, since it uses less digits than its factorization.

275080740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24557 (or 24555 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 275080740 is about 16585.5581757142. The cubic root of 275080740 is about 650.3593594731.

The spelling of 275080740 in words is "two hundred seventy-five million, eighty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 165 170 187 204 220 255 330 340 374 510 561 660 748 935 1020 1122 1870 2244 2805 3740 5610 11220 24517 49034 73551 98068 122585 147102 245170 269687 294204 367755 416789 490340 539374 735510 809061 833578 1078748 1250367 1348435 1471020 1618122 1667156 2083945 2500734 2696870 3236244 4045305 4167890 4584679 5001468 5393740 6251835 8090610 8335780 9169358 12503670 13754037 16181220 18338716 22923395 25007340 27508074 45846790 55016148 68770185 91693580 137540370 275080740