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675135828 = 223273256901
BaseRepresentation
bin101000001111011…
…100000101010100
31202001101110020200
4220033130011110
52340313321303
6150554300500
722505363013
oct5017340524
91661343220
10675135828
113171075a4
1216a127730
13a9b44c73
1465944a7a
153e4103a3
hex283dc154

675135828 has 36 divisors (see below), whose sum is σ = 1729978068. Its totient is φ = 221961600.

The previous prime is 675135827. The next prime is 675135833. The reversal of 675135828 is 828531576.

675135828 is a `hidden beast` number, since 67 + 5 + 1 + 3 + 582 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 488321604 = 13668^2 + 22098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675135823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125823 + ... + 131078.

Almost surely, 2675135828 is an apocalyptic number.

It is an amenable number.

675135828 is an abundant number, since it is smaller than the sum of its proper divisors (1054842240).

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

675135828 is a wasteful number, since it uses less digits than its factorization.

675135828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256984 (or 256979 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 675135828 is about 25983.3759931230. The cubic root of 675135828 is about 877.2641565519.

It can be divided in two parts, 675 and 135828, that added together give a triangular number (136503 = T522).

The spelling of 675135828 in words is "six hundred seventy-five million, one hundred thirty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 256901 513802 770703 1027604 1541406 2312109 3082812 4624218 9248436 18753773 37507546 56261319 75015092 112522638 168783957 225045276 337567914 675135828