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535513440 = 253571114489
BaseRepresentation
bin11111111010110…
…100100101100000
31101022122220100010
4133322310211200
52044042412230
6125045524520
716161534450
oct3772644540
91338586303
10535513440
112553131a0
1212b413740
1386c3a777
145119bd60
15320309b0
hex1feb4960

535513440 has 192 divisors, whose sum is σ = 2103252480. Its totient is φ = 111267840.

The previous prime is 535513421. The next prime is 535513457. The reversal of 535513440 is 44315535.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 535513398 and 535513407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29716 + ... + 44204.

It is an arithmetic number, because the mean of its divisors is an integer number (10954440).

Almost surely, 2535513440 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 535513440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051626240).

535513440 is an abundant number, since it is smaller than the sum of its proper divisors (1567739040).

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

535513440 is a wasteful number, since it uses less digits than its factorization.

535513440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525 (or 14517 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 535513440 is about 23141.1633242584. The cubic root of 535513440 is about 812.0637512939.

Adding to 535513440 its reverse (44315535), we get a palindrome (579828975).

The spelling of 535513440 in words is "five hundred thirty-five million, five hundred thirteen thousand, four hundred forty".