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542149764 = 2231310693251
BaseRepresentation
bin100000010100001…
…000110010000100
31101210011001122220
4200110020302010
52102242243024
6125444052340
716302124362
oct4024106204
91353131586
10542149764
11259036162
121316940b0
13884222a0
1452008632
15328e1e79
hex20508c84

542149764 has 48 divisors (see below), whose sum is σ = 1364018880. Its totient is φ = 166608000.

The previous prime is 542149763. The next prime is 542149787. The reversal of 542149764 is 467941245.

It is not an unprimeable number, because it can be changed into a prime (542149763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165139 + ... + 168389.

It is an arithmetic number, because the mean of its divisors is an integer number (28417060).

Almost surely, 2542149764 is an apocalyptic number.

It is an amenable number.

542149764 is an abundant number, since it is smaller than the sum of its proper divisors (821869116).

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

542149764 is a wasteful number, since it uses less digits than its factorization.

542149764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 542149764 is about 23284.1096887985. The cubic root of 542149764 is about 815.4044758579.

The spelling of 542149764 in words is "five hundred forty-two million, one hundred forty-nine thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1069 2138 3207 3251 4276 6414 6502 9753 12828 13004 13897 19506 27794 39012 41691 42263 55588 83382 84526 126789 166764 169052 253578 507156 3475319 6950638 10425957 13901276 20851914 41703828 45179147 90358294 135537441 180716588 271074882 542149764