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535434400 = 25523718089
BaseRepresentation
bin11111111010100…
…001010010100000
31101022111212220201
4133322201102200
52044032400100
6125044114544
716161055144
oct3772412240
91338455821
10535434400
11255269876
1212b395a54
1386c107b7
145117b224
153201736a
hex1fea14a0

535434400 has 72 divisors (see below), whose sum is σ = 1342531260. Its totient is φ = 208373760.

The previous prime is 535434371. The next prime is 535434401. The reversal of 535434400 is 4434535.

It can be written as a sum of positive squares in 6 ways, for example, as 431475984 + 103958416 = 20772^2 + 10196^2 .

It is not an unprimeable number, because it can be changed into a prime (535434401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20556 + ... + 38644.

Almost surely, 2535434400 is an apocalyptic number.

535434400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535434400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671265630).

535434400 is an abundant number, since it is smaller than the sum of its proper divisors (807096860).

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

535434400 is a wasteful number, since it uses less digits than its factorization.

535434400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146 (or 18133 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 535434400 is about 23139.4554819252. The cubic root of 535434400 is about 812.0237966931.

Adding to 535434400 its reverse (4434535), we get a palindrome (539868935).

The spelling of 535434400 in words is "five hundred thirty-five million, four hundred thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 37 40 50 74 80 100 148 160 185 200 296 370 400 592 740 800 925 1184 1480 1850 2960 3700 5920 7400 14800 18089 29600 36178 72356 90445 144712 180890 289424 361780 452225 578848 669293 723560 904450 1338586 1447120 1808900 2677172 2894240 3346465 3617800 5354344 6692930 7235600 10708688 13385860 14471200 16732325 21417376 26771720 33464650 53543440 66929300 107086880 133858600 267717200 535434400