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542424100 = 22521721372
BaseRepresentation
bin100000010101001…
…011110000100100
31101210122222222111
4200111023300210
52102330032400
6125454010404
716304346241
oct4025136044
91353588874
10542424100
11259203289
121317a6a04
13884ba10a
145207a5c8
15329483ba
hex2054bc24

542424100 has 81 divisors (see below), whose sum is σ = 1259565433. Its totient is φ = 202716160.

The previous prime is 542424067. The next prime is 542424109. The reversal of 542424100 is 1424245.

It is a happy number.

The square root of 542424100 is 23290.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 145298916 + 397125184 = 12054^2 + 19928^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542424109) 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 26 ways as a sum of consecutive naturals, for example, 3959232 + ... + 3959368.

Almost surely, 2542424100 is an apocalyptic number.

542424100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542424100 is the 23290-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542424100

542424100 is an abundant number, since it is smaller than the sum of its proper divisors (717141333).

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

542424100 is a wasteful number, since it uses less digits than its factorization.

542424100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The cubic root of 542424100 is about 815.5419883417.

Adding to 542424100 its reverse (1424245), we get a palindrome (543848345).

The spelling of 542424100 in words is "five hundred forty-two million, four hundred twenty-four thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 137 170 274 289 340 425 548 578 685 850 1156 1370 1445 1700 2329 2740 2890 3425 4658 5780 6850 7225 9316 11645 13700 14450 18769 23290 28900 37538 39593 46580 58225 75076 79186 93845 116450 158372 187690 197965 232900 319073 375380 395930 469225 638146 791860 938450 989825 1276292 1595365 1876900 1979650 3190730 3959300 5424241 6381460 7976825 10848482 15953650 21696964 27121205 31907300 54242410 108484820 135606025 271212050 542424100