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542147320 = 235111394781
BaseRepresentation
bin100000010100001…
…000001011111000
31101210010221022101
4200110020023320
52102242203240
6125444033144
716302114301
oct4024101370
91353127271
10542147320
11259034340
121316927b4
1388421140
14520077a8
15328e139a
hex205082f8

542147320 has 64 divisors (see below), whose sum is σ = 1433103840. Its totient is φ = 181977600.

The previous prime is 542147239. The next prime is 542147363. The reversal of 542147320 is 23741245.

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, 41671 + ... + 53110.

Almost surely, 2542147320 is an apocalyptic number.

It is an amenable number.

542147320 is an abundant number, since it is smaller than the sum of its proper divisors (890956520).

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

542147320 is a wasteful number, since it uses less digits than its factorization.

542147320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94816 (or 94812 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 542147320 is about 23284.0572065952. The cubic root of 542147320 is about 815.4032505805.

Adding to 542147320 its reverse (23741245), we get a palindrome (565888565).

The spelling of 542147320 in words is "five hundred forty-two million, one hundred forty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 94781 189562 379124 473905 758248 947810 1042591 1232153 1895620 2085182 2464306 3791240 4170364 4928612 5212955 6160765 8340728 9857224 10425910 12321530 13553683 20851820 24643060 27107366 41703640 49286120 54214732 67768415 108429464 135536830 271073660 542147320