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328525823 = 3121105263
BaseRepresentation
bin10011100101001…
…110011111111111
3211220011211201002
4103211032133333
51133100311243
652333240515
711066265143
oct2345163777
9756154632
10328525823
1115949834a
129203313b
13530a7aa2
14318bb223
151dc95eb8
hex1394e7ff

328525823 has 4 divisors (see below), whose sum is σ = 328634208. Its totient is φ = 328417440.

The previous prime is 328525807. The next prime is 328525829.

It is a happy number.

328525823 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328525823 - 24 = 328525807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328525829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49511 + ... + 55752.

It is an arithmetic number, because the mean of its divisors is an integer number (82158552).

Almost surely, 2328525823 is an apocalyptic number.

328525823 is a deficient number, since it is larger than the sum of its proper divisors (108385).

328525823 is a wasteful number, since it uses less digits than its factorization.

328525823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108384.

The product of its digits is 115200, while the sum is 38.

The square root of 328525823 is about 18125.2813219547. The cubic root of 328525823 is about 690.0117781368.

The spelling of 328525823 in words is "three hundred twenty-eight million, five hundred twenty-five thousand, eight hundred twenty-three".

Divisors: 1 3121 105263 328525823