Search a number
-
+
328260969 = 32269135589
BaseRepresentation
bin10011100100001…
…101110101101001
3211212200101101200
4103210031311221
51133013322334
652323434413
711064113031
oct2344156551
9755611350
10328260969
11159327363
1291b25a09
135301437a
143184c8c1
151dc42799
hex1390dd69

328260969 has 12 divisors (see below), whose sum is σ = 475920900. Its totient is φ = 218025504.

The previous prime is 328260949. The next prime is 328260983. The reversal of 328260969 is 969062823.

328260969 is a `hidden beast` number, since 32 + 8 + 2 + 609 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 179908569 + 148352400 = 13413^2 + 12180^2 .

It is not a de Polignac number, because 328260969 - 25 = 328260937 is a prime.

It is a super-2 number, since 2×3282609692 = 215510527537637922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (328260949) 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, 65374 + ... + 70215.

It is an arithmetic number, because the mean of its divisors is an integer number (39660075).

Almost surely, 2328260969 is an apocalyptic number.

It is an amenable number.

328260969 is a deficient number, since it is larger than the sum of its proper divisors (147659931).

328260969 is a wasteful number, since it uses less digits than its factorization.

328260969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135864 (or 135861 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 328260969 is about 18117.9736449748. The cubic root of 328260969 is about 689.8263015830.

The spelling of 328260969 in words is "three hundred twenty-eight million, two hundred sixty thousand, nine hundred sixty-nine".

Divisors: 1 3 9 269 807 2421 135589 406767 1220301 36473441 109420323 328260969