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5244872540 = 2254333718097
BaseRepresentation
bin1001110001001111…
…00110011101011100
3111112112011010112112
410320213212131130
541220141410130
62224235453152
7243654452405
oct47047463534
914475133475
105244872540
112251659406
1210245b71b8
136577c749b
1437a8049ac
1520a6c6495
hex1389e675c

5244872540 has 48 divisors (see below), whose sum is σ = 11304445152. Its totient is φ = 2042966016.

The previous prime is 5244872509. The next prime is 5244872557. The reversal of 5244872540 is 452784425.

It is a happy number.

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, 280772 + ... + 298868.

It is an arithmetic number, because the mean of its divisors is an integer number (235509274).

Almost surely, 25244872540 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 5244872540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5652222576).

5244872540 is an abundant number, since it is smaller than the sum of its proper divisors (6059572612).

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

5244872540 is a wasteful number, since it uses less digits than its factorization.

5244872540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18486 (or 18484 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 5244872540 is about 72421.4922519552. The cubic root of 5244872540 is about 1737.4473226615.

The spelling of 5244872540 in words is "five billion, two hundred forty-four million, eight hundred seventy-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 337 430 674 860 1348 1685 3370 6740 14491 18097 28982 36194 57964 72388 72455 90485 144910 180970 289820 361940 778171 1556342 3112684 3890855 6098689 7781710 12197378 15563420 24394756 30493445 60986890 121973780 262243627 524487254 1048974508 1311218135 2622436270 5244872540