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542456850 = 2352131491867
BaseRepresentation
bin100000010101010…
…011110000010010
31101210201122220110
4200111103300102
52102332104400
6125454422150
716304543565
oct4025236022
91353648813
10542456850
11259225951
12131801956
13884cbcb0
14520884dc
1532952e50
hex20553c12

542456850 has 96 divisors (see below), whose sum is σ = 1459281600. Its totient is φ = 132560640.

The previous prime is 542456833. The next prime is 542456851. The reversal of 542456850 is 58654245.

It is a super-2 number, since 2×5424568502 = 588518868223845000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 542456799 and 542456808.

It is not an unprimeable number, because it can be changed into a prime (542456851) 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 47 ways as a sum of consecutive naturals, for example, 289617 + ... + 291483.

It is an arithmetic number, because the mean of its divisors is an integer number (15200850).

Almost surely, 2542456850 is an apocalyptic number.

542456850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 542456850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729640800).

542456850 is an abundant number, since it is smaller than the sum of its proper divisors (916824750).

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

542456850 is a wasteful number, since it uses less digits than its factorization.

542456850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 542456850 is about 23290.7030808432. The cubic root of 542456850 is about 815.5584013677.

The spelling of 542456850 in words is "five hundred forty-two million, four hundred fifty-six thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 149 150 195 298 325 390 447 650 745 894 975 1490 1867 1937 1950 2235 3725 3734 3874 4470 5601 5811 7450 9335 9685 11175 11202 11622 18670 19370 22350 24271 28005 29055 46675 48425 48542 56010 58110 72813 93350 96850 121355 140025 145275 145626 242710 278183 280050 290550 364065 556366 606775 728130 834549 1213550 1390915 1669098 1820325 2781830 3616379 3640650 4172745 6954575 7232758 8345490 10849137 13909150 18081895 20863725 21698274 36163790 41727450 54245685 90409475 108491370 180818950 271228425 542456850