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5490287280 = 24325101103733
BaseRepresentation
bin1010001110011111…
…10010001010110000
3112011121221111021100
411013033302022300
542221003143110
62304443524400
7253024446312
oct50717621260
915147844240
105490287280
112368140105
121092829700
136965c2aca
143a12497b2
15222001bc0
hex1473f22b0

5490287280 has 240 divisors, whose sum is σ = 18827205696. Its totient is φ = 1433548800.

The previous prime is 5490287273. The next prime is 5490287287. The reversal of 5490287280 is 827820945.

5490287280 is a `hidden beast` number, since 5 + 4 + 90 + 287 + 280 = 666.

It is an interprime number because it is at equal distance from previous prime (5490287273) and next prime (5490287287).

It is a tau number, because it is divible by the number of its divisors (240).

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 (5490287287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7489794 + ... + 7490526.

Almost surely, 25490287280 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 5490287280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9413602848).

5490287280 is an abundant number, since it is smaller than the sum of its proper divisors (13336918416).

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

5490287280 is a wasteful number, since it uses less digits than its factorization.

5490287280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 5490287280 is about 74096.4727905452. The cubic root of 5490287280 is about 1764.1344861756.

The spelling of 5490287280 in words is "five billion, four hundred ninety million, two hundred eighty-seven thousand, two hundred eighty".