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542757040 = 245719291759
BaseRepresentation
bin100000010110011…
…101000010110000
31101211021220200121
4200112131002300
52102421211130
6125505100024
716310234020
oct4026350260
91354256617
10542757040
11259410441
12131927614
13885a5817
1452125a80
15329b1d7a
hex2059d0b0

542757040 has 160 divisors (see below), whose sum is σ = 1571328000. Its totient is φ = 170118144.

The previous prime is 542757029. The next prime is 542757041. The reversal of 542757040 is 40757245.

It is a junction number, because it is equal to n+sod(n) for n = 542756987 and 542757005.

It is not an unprimeable number, because it can be changed into a prime (542757041) by changing a digit.

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, 307681 + ... + 309439.

It is an arithmetic number, because the mean of its divisors is an integer number (9820800).

Almost surely, 2542757040 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 542757040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785664000).

542757040 is an abundant number, since it is smaller than the sum of its proper divisors (1028570960).

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

542757040 is a wasteful number, since it uses less digits than its factorization.

542757040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 542757040 is about 23297.1466063980. The cubic root of 542757040 is about 815.7088141484.

The spelling of 542757040 in words is "five hundred forty-two million, seven hundred fifty-seven thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 28 29 35 38 40 56 58 70 76 80 95 112 116 133 140 145 152 190 203 232 266 280 290 304 380 406 464 532 551 560 580 665 760 812 1015 1064 1102 1160 1330 1520 1624 1759 2030 2128 2204 2320 2660 2755 3248 3518 3857 4060 4408 5320 5510 7036 7714 8120 8795 8816 10640 11020 12313 14072 15428 16240 17590 19285 22040 24626 28144 30856 33421 35180 38570 44080 49252 51011 61565 61712 66842 70360 77140 98504 102022 123130 133684 140720 154280 167105 197008 204044 233947 246260 255055 267368 308560 334210 357077 408088 467894 492520 510110 534736 668420 714154 816176 935788 969209 985040 1020220 1169735 1336840 1428308 1785385 1871576 1938418 2040440 2339470 2673680 2856616 3570770 3743152 3876836 4080880 4678940 4846045 5713232 6784463 7141540 7753672 9357880 9692090 13568926 14283080 15507344 18715760 19384180 27137852 28566160 33922315 38768360 54275704 67844630 77536720 108551408 135689260 271378520 542757040