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542525544 = 23321119311163
BaseRepresentation
bin100000010101100…
…100100001101000
31101210212011010200
4200111210201220
52102341304134
6125500112200
716305251061
oct4025444150
91353764120
10542525544
11259272520
12131835660
1388524342
14520a5568
1532968499
hex20564868

542525544 has 192 divisors, whose sum is σ = 1743206400. Its totient is φ = 150595200.

The previous prime is 542525537. The next prime is 542525579. The reversal of 542525544 is 445525245.

542525544 is a `hidden beast` number, since 54 + 2 + 52 + 554 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542525499 and 542525508.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465907 + ... + 467069.

It is an arithmetic number, because the mean of its divisors is an integer number (9079200).

Almost surely, 2542525544 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 542525544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871603200).

542525544 is an abundant number, since it is smaller than the sum of its proper divisors (1200680856).

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

542525544 is a wasteful number, since it uses less digits than its factorization.

542525544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1229 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 542525544 is about 23292.1777427530. The cubic root of 542525544 is about 815.5928259824.

The spelling of 542525544 in words is "five hundred forty-two million, five hundred twenty-five thousand, five hundred forty-four".