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328067028 = 223261149393
BaseRepresentation
bin10011100011011…
…110011111010100
3211212022112100200
4103203132133110
51132441121103
652315340500
711062344432
oct2343363724
9755275320
10328067028
11159204683
1291a51730
1352c77003
14317dbd52
151dc050a3
hex138de7d4

328067028 has 36 divisors (see below), whose sum is σ = 842880948. Its totient is φ = 107562240.

The previous prime is 328067027. The next prime is 328067039. The reversal of 328067028 is 820760823.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149523984 + 178543044 = 12228^2 + 13362^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 328066983 and 328067001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328067023) 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, 72501 + ... + 76892.

Almost surely, 2328067028 is an apocalyptic number.

It is an amenable number.

328067028 is an abundant number, since it is smaller than the sum of its proper divisors (514813920).

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

328067028 is a wasteful number, since it uses less digits than its factorization.

328067028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149464 (or 149459 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 328067028 is about 18112.6206828278. The cubic root of 328067028 is about 689.6904219308.

The spelling of 328067028 in words is "three hundred twenty-eight million, sixty-seven thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 149393 298786 448179 597572 896358 1344537 1792716 2689074 5378148 9112973 18225946 27338919 36451892 54677838 82016757 109355676 164033514 328067028