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3845315144 = 23112311271009
BaseRepresentation
bin1110010100110010…
…1101101001001000
3100220222122020201102
43211030231221020
530333400041034
61433322240532
7164201432216
oct34514555110
910828566642
103845315144
1116a3642200
128b3956148
13493872308
142869a9cb6
151778bc97e
hexe532da48

3845315144 has 96 divisors (see below), whose sum is σ = 8253235200. Its totient is φ = 1676505600.

The previous prime is 3845315143. The next prime is 3845315161. The reversal of 3845315144 is 4415135483.

It is a junction number, because it is equal to n+sod(n) for n = 3845315098 and 3845315107.

It is not an unprimeable number, because it can be changed into a prime (3845315141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3810512 + ... + 3811520.

It is an arithmetic number, because the mean of its divisors is an integer number (85971200).

Almost surely, 23845315144 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 3845315144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4126617600).

3845315144 is an abundant number, since it is smaller than the sum of its proper divisors (4407920056).

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

3845315144 is a wasteful number, since it uses less digits than its factorization.

3845315144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1180 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 3845315144 is about 62010.6050930000. The cubic root of 3845315144 is about 1566.6692263325.

The spelling of 3845315144 in words is "three billion, eight hundred forty-five million, three hundred fifteen thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 31 44 62 88 121 124 127 242 248 254 341 484 508 682 968 1009 1016 1364 1397 2018 2728 2794 3751 3937 4036 5588 7502 7874 8072 11099 11176 15004 15367 15748 22198 30008 30734 31279 31496 43307 44396 61468 62558 86614 88792 122089 122936 125116 128143 173228 244178 250232 256286 344069 346456 476377 488356 512572 688138 952754 976712 1025144 1376276 1409573 1905508 2752552 2819146 3784759 3811016 3972433 5638292 7569518 7944866 11276584 15139036 15505303 15889732 30278072 31010606 31779464 43696763 62021212 87393526 124042424 174787052 349574104 480664393 961328786 1922657572 3845315144