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542310240 = 253510710559
BaseRepresentation
bin100000010100101…
…111111101100000
31101210110012210110
4200110233331200
52102312411430
6125451331320
716303363263
oct4024577540
91353405713
10542310240
1125913578a
12131750b40
138847a344
145204acda
15329247b0
hex2052ff60

542310240 has 96 divisors (see below), whose sum is σ = 1724405760. Its totient is φ = 143250944.

The previous prime is 542310203. The next prime is 542310259. The reversal of 542310240 is 42013245.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 46081 + ... + 56639.

It is an arithmetic number, because the mean of its divisors is an integer number (17962560).

Almost surely, 2542310240 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 542310240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862202880).

542310240 is an abundant number, since it is smaller than the sum of its proper divisors (1182095520).

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

542310240 is a wasteful number, since it uses less digits than its factorization.

542310240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684 (or 10676 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 542310240 is about 23287.5554749742. Note that the first 3 decimals coincide. The cubic root of 542310240 is about 815.4849209973.

Adding to 542310240 its reverse (42013245), we get a palindrome (584323485).

The spelling of 542310240 in words is "five hundred forty-two million, three hundred ten thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 107 120 160 214 240 321 428 480 535 642 856 1070 1284 1605 1712 2140 2568 3210 3424 4280 5136 6420 8560 10272 10559 12840 17120 21118 25680 31677 42236 51360 52795 63354 84472 105590 126708 158385 168944 211180 253416 316770 337888 422360 506832 633540 844720 1013664 1129813 1267080 1689440 2259626 2534160 3389439 4519252 5068320 5649065 6778878 9038504 11298130 13557756 16947195 18077008 22596260 27115512 33894390 36154016 45192520 54231024 67788780 90385040 108462048 135577560 180770080 271155120 542310240