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535428945 = 32517368777
BaseRepresentation
bin11111111010011…
…111111101010001
31101022111121102200
4133322133331101
52044032211240
6125044033413
716161033222
oct3772377521
91338447380
10535428945
11255265767
1212b392869
1386c0b17c
1451179249
1532015930
hex1fe9ff51

535428945 has 24 divisors (see below), whose sum is σ = 933455016. Its totient is φ = 283907328.

The previous prime is 535428941. The next prime is 535428947. The reversal of 535428945 is 549824535.

535428945 is a `hidden beast` number, since 535 + 4 + 28 + 94 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 201526416 + 333902529 = 14196^2 + 18273^2 .

It is not a de Polignac number, because 535428945 - 22 = 535428941 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 535428945.

It is not an unprimeable number, because it can be changed into a prime (535428941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26604 + ... + 42173.

It is an arithmetic number, because the mean of its divisors is an integer number (38893959).

Almost surely, 2535428945 is an apocalyptic number.

It is an amenable number.

535428945 is a deficient number, since it is larger than the sum of its proper divisors (398026071).

535428945 is a wasteful number, since it uses less digits than its factorization.

535428945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68961 (or 68958 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 535428945 is about 23139.3376093612. The cubic root of 535428945 is about 812.0210390538.

The spelling of 535428945 in words is "five hundred thirty-five million, four hundred twenty-eight thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 173 519 865 1557 2595 7785 68777 206331 343885 618993 1031655 3094965 11898421 35695263 59492105 107085789 178476315 535428945