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514038420 = 223357219427
BaseRepresentation
bin11110101000111…
…001101010010100
31022211020212011000
4132220321222110
52023043212140
6123001343300
715511153200
oct3650715224
91284225130
10514038420
11244185745
12124197b30
138265bb5c
144c3abb00
15301dca30
hex1ea39a94

514038420 has 144 divisors (see below), whose sum is σ = 1860425280. Its totient is φ = 117488448.

The previous prime is 514038419. The next prime is 514038449. The reversal of 514038420 is 24830415.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16747 + ... + 36173.

It is an arithmetic number, because the mean of its divisors is an integer number (12919620).

Almost surely, 2514038420 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 514038420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930212640).

514038420 is an abundant number, since it is smaller than the sum of its proper divisors (1346386860).

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

514038420 is a wasteful number, since it uses less digits than its factorization.

514038420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19459 (or 19444 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 514038420 is about 22672.4153984528. The cubic root of 514038420 is about 801.0602712436.

Adding to 514038420 its reverse (24830415), we get a palindrome (538868835).

The spelling of 514038420 in words is "five hundred fourteen million, thirty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 84 90 98 105 108 126 135 140 147 180 189 196 210 245 252 270 294 315 378 420 441 490 540 588 630 735 756 882 945 980 1260 1323 1470 1764 1890 2205 2646 2940 3780 4410 5292 6615 8820 13230 19427 26460 38854 58281 77708 97135 116562 135989 174843 194270 233124 271978 291405 349686 388540 407967 524529 543956 582810 679945 699372 815934 874215 951923 1049058 1165620 1223901 1359890 1631868 1748430 1903846 2039835 2098116 2447802 2622645 2719780 2855769 3496860 3671703 3807692 4079670 4759615 4895604 5245290 5711538 6119505 7343406 8159340 8567307 9519230 10490580 11423076 12239010 14278845 14686812 17134614 18358515 19038460 24478020 25701921 28557690 34269228 36717030 42836535 51403842 57115380 73434060 85673070 102807684 128509605 171346140 257019210 514038420