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4457389794 = 23111310514943
BaseRepresentation
bin1000010011010111…
…00101111011100010
3102111122100212021220
410021223211323202
533112042433134
62014145155510
7215313121344
oct41153457342
912448325256
104457389794
111988097a20
12a4492bb96
13560607b70
14303db7294
151b14c3149
hex109ae5ee2

4457389794 has 64 divisors (see below), whose sum is σ = 10485393408. Its totient is φ = 1245384000.

The previous prime is 4457389789. The next prime is 4457389799. The reversal of 4457389794 is 4979837544.

It is an interprime number because it is at equal distance from previous prime (4457389789) and next prime (4457389799).

It is not an unprimeable number, because it can be changed into a prime (4457389799) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 899287 + ... + 904229.

It is an arithmetic number, because the mean of its divisors is an integer number (163834272).

Almost surely, 24457389794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4457389794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5242696704).

4457389794 is an abundant number, since it is smaller than the sum of its proper divisors (6028003614).

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

4457389794 is a wasteful number, since it uses less digits than its factorization.

4457389794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023.

The product of its digits is 30481920, while the sum is 60.

The square root of 4457389794 is about 66763.6861924205. The cubic root of 4457389794 is about 1645.7361344105.

The spelling of 4457389794 in words is "four billion, four hundred fifty-seven million, three hundred eighty-nine thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 286 429 858 1051 2102 3153 4943 6306 9886 11561 13663 14829 23122 27326 29658 34683 40989 54373 64259 69366 81978 108746 128518 150293 163119 192777 300586 326238 385554 450879 706849 901758 1413698 2120547 4241094 5195093 10390186 15585279 31170558 57146023 67536209 114292046 135072418 171438069 202608627 342876138 405217254 742898299 1485796598 2228694897 4457389794