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545298480 = 243451943103
BaseRepresentation
bin100000100000001…
…001100000110000
31102000002000220000
4200200021200300
52104044022410
6130035350000
716340650326
oct4040114060
91360060800
10545298480
1125a896901
12132752300
1388c8552c
14525c7d16
1532d14dc0
hex20809830

545298480 has 400 divisors, whose sum is σ = 2059749120. Its totient is φ = 133249536.

The previous prime is 545298469. The next prime is 545298541. The reversal of 545298480 is 84892545.

545298480 is a `hidden beast` number, since 545 + 29 + 8 + 4 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5294109 + ... + 5294211.

Almost surely, 2545298480 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 545298480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029874560).

545298480 is an abundant number, since it is smaller than the sum of its proper divisors (1514450640).

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

545298480 is a wasteful number, since it uses less digits than its factorization.

545298480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 545298480 is about 23351.6269240496. The cubic root of 545298480 is about 816.9800076707.

The spelling of 545298480 in words is "five hundred forty-five million, two hundred ninety-eight thousand, four hundred eighty".