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5260489920 = 26345779367
BaseRepresentation
bin1001110011000110…
…01011010011000000
3111120121112120120000
410321203023103000
541233141134140
62225554320000
7244234266210
oct47143132300
914517476500
105260489920
11225a455a34
121029889000
1365ab04b3a
1437c90c240
1520bc5da30
hex1398cb4c0

5260489920 has 560 divisors, whose sum is σ = 21715415040. Its totient is φ = 1183942656.

The previous prime is 5260489907. The next prime is 5260489921. The reversal of 5260489920 is 299840625.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5260489921) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14333577 + ... + 14333943.

Almost surely, 25260489920 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 5260489920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10857707520).

5260489920 is an abundant number, since it is smaller than the sum of its proper divisors (16454925120).

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

5260489920 is a wasteful number, since it uses less digits than its factorization.

5260489920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 5260489920 is about 72529.2349332323. The cubic root of 5260489920 is about 1739.1701155497.

The spelling of 5260489920 in words is "five billion, two hundred sixty million, four hundred eighty-nine thousand, nine hundred twenty".