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5254115540 = 2251735343777
BaseRepresentation
bin1001110010010101…
…10111000011010100
3111120011112201112212
410321022313003110
541230023144130
62225205532552
7244126150052
oct47112670324
914504481485
105254115540
1122568a1853
121027714158
136596b260b
1437bb2d1d2
1520b3eee95
hex1392b70d4

5254115540 has 48 divisors (see below), whose sum is σ = 11716043472. Its totient is φ = 1972371456.

The previous prime is 5254115539. The next prime is 5254115599. The reversal of 5254115540 is 455114525.

It can be written as a sum of positive squares in 8 ways, for example, as 416078404 + 4838037136 = 20398^2 + 69556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5254115497 and 5254115506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98132 + ... + 141908.

It is an arithmetic number, because the mean of its divisors is an integer number (244084239).

Almost surely, 25254115540 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 5254115540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5858021736).

5254115540 is an abundant number, since it is smaller than the sum of its proper divisors (6461927932).

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

5254115540 is a wasteful number, since it uses less digits than its factorization.

5254115540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44156 (or 44154 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 5254115540 is about 72485.2780914856. The cubic root of 5254115540 is about 1738.4673538775.

The spelling of 5254115540 in words is "five billion, two hundred fifty-four million, one hundred fifteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 353 706 1412 1765 3530 6001 7060 12002 24004 30005 43777 60010 87554 120020 175108 218885 437770 744209 875540 1488418 2976836 3721045 7442090 14884180 15453281 30906562 61813124 77266405 154532810 262705777 309065620 525411554 1050823108 1313528885 2627057770 5254115540