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532505440 = 2553328159
BaseRepresentation
bin11111101111010…
…110001101100000
31101010000002010201
4133233112031200
52042310133230
6124501234544
716124135665
oct3757261540
91333002121
10532505440
11253649245
1212a402a54
138642659c
1450a17a6c
1531b395ca
hex1fbd6360

532505440 has 24 divisors (see below), whose sum is σ = 1258044480. Its totient is φ = 213002112.

The previous prime is 532505429. The next prime is 532505447. The reversal of 532505440 is 44505235.

It is a junction number, because it is equal to n+sod(n) for n = 532505399 and 532505408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532505447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663920 + ... + 1664239.

It is an arithmetic number, because the mean of its divisors is an integer number (52418520).

Almost surely, 2532505440 is an apocalyptic number.

It is an amenable number.

532505440 is an abundant number, since it is smaller than the sum of its proper divisors (725539040).

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

532505440 is a wasteful number, since it uses less digits than its factorization.

532505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328174 (or 3328166 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 532505440 is about 23076.0793897057. The cubic root of 532505440 is about 810.5404308911.

The spelling of 532505440 in words is "five hundred thirty-two million, five hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3328159 6656318 13312636 16640795 26625272 33281590 53250544 66563180 106501088 133126360 266252720 532505440