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328844149 = 418020589
BaseRepresentation
bin10011100110011…
…100001101110101
3211220210000100221
4103212130031311
51133141003044
652344134341
711102062204
oct2346341565
9756700327
10328844149
11159695527
12921673b1
135318994a
143196123b
151dd0a484
hex1399c375

328844149 has 4 divisors (see below), whose sum is σ = 336864780. Its totient is φ = 320823520.

The previous prime is 328844147. The next prime is 328844167. The reversal of 328844149 is 941448823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31281649 + 297562500 = 5593^2 + 17250^2 .

It is a cyclic number.

It is not a de Polignac number, because 328844149 - 21 = 328844147 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 (328844143) 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, 4010254 + ... + 4010335.

It is an arithmetic number, because the mean of its divisors is an integer number (84216195).

Almost surely, 2328844149 is an apocalyptic number.

It is an amenable number.

328844149 is a deficient number, since it is larger than the sum of its proper divisors (8020631).

328844149 is an equidigital number, since it uses as much as digits as its factorization.

328844149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020630.

The product of its digits is 221184, while the sum is 43.

The square root of 328844149 is about 18134.0604664262. The cubic root of 328844149 is about 690.2345691312.

The spelling of 328844149 in words is "three hundred twenty-eight million, eight hundred forty-four thousand, one hundred forty-nine".

Divisors: 1 41 8020589 328844149