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4542131244 = 223728638951
BaseRepresentation
bin1000011101011101…
…10110110000101100
3102201112211011201010
410032232312300230
533300241144434
62030413345220
7220362323100
oct41656666054
912645734633
104542131244
111a20a07482
12a69198210
13575038431
14311355900
151b8b619e9
hex10ebb6c2c

4542131244 has 72 divisors (see below), whose sum is σ = 12344306688. Its totient is φ = 1296103200.

The previous prime is 4542131221. The next prime is 4542131257. The reversal of 4542131244 is 4421312454.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502969 + ... + 511919.

It is an arithmetic number, because the mean of its divisors is an integer number (171448704).

Almost surely, 24542131244 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 4542131244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6172153344).

4542131244 is an abundant number, since it is smaller than the sum of its proper divisors (7802175444).

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

4542131244 is a wasteful number, since it uses less digits than its factorization.

4542131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9835 (or 9826 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 4542131244 is about 67395.3354765743. The cubic root of 4542131244 is about 1656.1000094214.

Adding to 4542131244 its reverse (4421312454), we get a palindrome (8963443698).

The spelling of 4542131244 in words is "four billion, five hundred forty-two million, one hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 863 1726 2589 3452 5178 6041 8951 10356 12082 17902 18123 24164 26853 35804 36246 42287 53706 62657 72492 84574 107412 125314 126861 169148 187971 250628 253722 375942 438599 507444 751884 877198 1315797 1754396 2631594 5263188 7724713 15449426 23174139 30898852 46348278 54072991 92696556 108145982 162218973 216291964 324437946 378510937 648875892 757021874 1135532811 1514043748 2271065622 4542131244