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545199480 = 233257231997
BaseRepresentation
bin100000011111110…
…001010101111000
31101222220000002100
4200133301111320
52104032340410
6130033303400
716340055600
oct4037612570
91358800070
10545199480
1125a829491
12132704b60
1388c4c457
145259dc00
1532ce58c0
hex207f1578

545199480 has 288 divisors, whose sum is σ = 2129811840. Its totient is φ = 120476160.

The previous prime is 545199463. The next prime is 545199481. The reversal of 545199480 is 84991545.

545199480 is a `hidden beast` number, since 54 + 519 + 9 + 4 + 80 = 666.

545199480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545199481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 546342 + ... + 547338.

It is an arithmetic number, because the mean of its divisors is an integer number (7395180).

Almost surely, 2545199480 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 545199480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064905920).

545199480 is an abundant number, since it is smaller than the sum of its proper divisors (1584612360).

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

545199480 is a wasteful number, since it uses less digits than its factorization.

545199480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 545199480 is about 23349.5070611780. The cubic root of 545199480 is about 816.9305632417.

The spelling of 545199480 in words is "five hundred forty-five million, one hundred ninety-nine thousand, four hundred eighty".