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2543038160 = 245131728461
BaseRepresentation
bin1001011110010011…
…1010111011010000
320120020011201112112
42113210322323100
520202004210120
61100202044452
7120006316265
oct22744727320
96506151475
102543038160
11109552a233
125ab7a9728
13316b1ab10
141a1a5526c
15ed3ccbc5
hex9793aed0

2543038160 has 120 divisors (see below), whose sum is σ = 6764759736. Its totient is φ = 883630080.

The previous prime is 2543038151. The next prime is 2543038163. The reversal of 2543038160 is 618303452.

It can be written as a sum of positive squares in 12 ways, for example, as 80496784 + 2462541376 = 8972^2 + 49624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543038163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296330 + ... + 304790.

Almost surely, 22543038160 is an apocalyptic number.

2543038160 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 2543038160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3382379868).

2543038160 is an abundant number, since it is smaller than the sum of its proper divisors (4221721576).

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

2543038160 is a wasteful number, since it uses less digits than its factorization.

2543038160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521 (or 8498 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2543038160 is about 50428.5450910494. The cubic root of 2543038160 is about 1364.9527746904.

The spelling of 2543038160 in words is "two billion, five hundred forty-three million, thirty-eight thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 80 85 104 130 136 170 208 221 260 272 289 340 442 520 578 680 884 1040 1105 1156 1360 1445 1768 2210 2312 2890 3536 3757 4420 4624 5780 7514 8461 8840 11560 15028 16922 17680 18785 23120 30056 33844 37570 42305 60112 67688 75140 84610 109993 135376 143837 150280 169220 219986 287674 300560 338440 439972 549965 575348 676880 719185 879944 1099930 1150696 1438370 1759888 1869881 2199860 2301392 2445229 2876740 3739762 4399720 4890458 5753480 7479524 8799440 9349405 9780916 11506960 12226145 14959048 18698810 19561832 24452290 29918096 31787977 37397620 39123664 48904580 63575954 74795240 97809160 127151908 149590480 158939885 195618320 254303816 317879770 508607632 635759540 1271519080 2543038160