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542144000 = 295343197
BaseRepresentation
bin100000010100000…
…111011000000000
31101210010202202102
4200110013120000
52102242102000
6125444005532
716302101516
oct4024073000
91353122672
10542144000
112590318a2
121316908a8
138841c788
14520064b6
15328e03d5
hex20507600

542144000 has 160 divisors (see below), whose sum is σ = 1390330656. Its totient is φ = 210739200.

The previous prime is 542143999. The next prime is 542144011. The reversal of 542144000 is 441245.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2751902 + ... + 2752098.

Almost surely, 2542144000 is an apocalyptic number.

542144000 is a gapful number since it is divisible by the number (50) 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 542144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695165328).

542144000 is an abundant number, since it is smaller than the sum of its proper divisors (848186656).

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

542144000 is an equidigital number, since it uses as much as digits as its factorization.

542144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 542144000 is about 23283.9859130691. The cubic root of 542144000 is about 815.4015861225.

Adding to 542144000 its reverse (441245), we get a palindrome (542585245).

The spelling of 542144000 in words is "five hundred forty-two million, one hundred forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 43 50 64 80 86 100 125 128 160 172 197 200 215 250 256 320 344 394 400 430 500 512 640 688 788 800 860 985 1000 1075 1280 1376 1576 1600 1720 1970 2000 2150 2560 2752 3152 3200 3440 3940 4000 4300 4925 5375 5504 6304 6400 6880 7880 8000 8471 8600 9850 10750 11008 12608 12800 13760 15760 16000 16942 17200 19700 21500 22016 24625 25216 27520 31520 32000 33884 34400 39400 42355 43000 49250 50432 55040 63040 64000 67768 68800 78800 84710 86000 98500 100864 110080 126080 135536 137600 157600 169420 172000 197000 211775 252160 271072 275200 315200 338840 344000 394000 423550 504320 542144 550400 630400 677680 688000 788000 847100 1058875 1084288 1260800 1355360 1376000 1576000 1694200 2117750 2168576 2521600 2710720 2752000 3152000 3388400 4235500 4337152 5421440 6304000 6776800 8471000 10842880 12608000 13553600 16942000 21685760 27107200 33884000 54214400 67768000 108428800 135536000 271072000 542144000