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32428068484 = 22721049157721
BaseRepresentation
bin11110001100110111…
…010000111010000100
310002200222010120011111
4132030313100322010
51012403041142414
622521450014404
72225412014500
oct361467207204
9102628116144
1032428068484
11128308878a9
126350117404
13309a42a806
1417d8ad3300
15c9bd968c4
hex78cdd0e84

32428068484 has 36 divisors (see below), whose sum is σ = 66077631900. Its totient is φ = 13884407040.

The previous prime is 32428068467. The next prime is 32428068487. The reversal of 32428068484 is 48486082423.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28450243584 + 3977824900 = 168672^2 + 63070^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (32428068487) 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 11 ways as a sum of consecutive naturals, for example, 126744 + ... + 284464.

It is an arithmetic number, because the mean of its divisors is an integer number (1835489775).

Almost surely, 232428068484 is an apocalyptic number.

It is an amenable number.

32428068484 is an abundant number, since it is smaller than the sum of its proper divisors (33649563416).

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

32428068484 is a wasteful number, since it uses less digits than its factorization.

32428068484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158788 (or 158779 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 32428068484 in words is "thirty-two billion, four hundred twenty-eight million, sixty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 1049 2098 4196 7343 14686 29372 51401 102802 157721 205604 315442 630884 1104047 2208094 4416188 7728329 15456658 30913316 165449329 330898658 661797316 1158145303 2316290606 4632581212 8107017121 16214034242 32428068484