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542443704 = 233113179839
BaseRepresentation
bin100000010101010…
…000100010111000
31101210200222212120
4200111100202320
52102331144304
6125454241240
716304460345
oct4025204270
91353628776
10542443704
11259216a90
121317b6220
13884c600a
14520837cc
153294e0d9
hex205508b8

542443704 has 128 divisors (see below), whose sum is σ = 1548288000. Its totient is φ = 156873600.

The previous prime is 542443687. The next prime is 542443723. The reversal of 542443704 is 407344245.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646117 + ... + 646955.

It is an arithmetic number, because the mean of its divisors is an integer number (12096000).

Almost surely, 2542443704 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 542443704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774144000).

542443704 is an abundant number, since it is smaller than the sum of its proper divisors (1005844296).

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

542443704 is a wasteful number, since it uses less digits than its factorization.

542443704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 542443704 is about 23290.4208635224. The cubic root of 542443704 is about 815.5518131832.

Adding to 542443704 its reverse (407344245), we get a palindrome (949787949).

The spelling of 542443704 in words is "five hundred forty-two million, four hundred forty-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 79 88 93 124 132 158 186 237 248 264 316 341 372 474 632 682 744 839 869 948 1023 1364 1678 1738 1896 2046 2449 2517 2607 2728 3356 3476 4092 4898 5034 5214 6712 6952 7347 8184 9229 9796 10068 10428 14694 18458 19592 20136 20856 26009 26939 27687 29388 36916 52018 53878 55374 58776 66281 73832 78027 80817 104036 107756 110748 132562 156054 161634 198843 208072 215512 221496 265124 286099 312108 323268 397686 530248 572198 624216 646536 729091 795372 858297 1144396 1458182 1590744 1716594 2054711 2187273 2288792 2916364 3433188 4109422 4374546 5832728 6164133 6866376 8218844 8749092 12328266 16437688 17498184 22601821 24656532 45203642 49313064 67805463 90407284 135610926 180814568 271221852 542443704