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160428899 = 295532031
BaseRepresentation
bin10011000111111…
…11001101100011
3102011212122002002
421203333031203
5312032211044
623530314215
73655423511
oct1143771543
9364778062
10160428899
1182615674
124588896b
1327310a57
14174414b1
15e13e74e
hex98ff363

160428899 has 4 divisors (see below), whose sum is σ = 165960960. Its totient is φ = 154896840.

The previous prime is 160428883. The next prime is 160428901. The reversal of 160428899 is 998824061.

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 160428899 - 24 = 160428883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160428869) 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 3 ways as a sum of consecutive naturals, for example, 2765987 + ... + 2766044.

It is an arithmetic number, because the mean of its divisors is an integer number (41490240).

Almost surely, 2160428899 is an apocalyptic number.

160428899 is a deficient number, since it is larger than the sum of its proper divisors (5532061).

160428899 is an equidigital number, since it uses as much as digits as its factorization.

160428899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532060.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 160428899 is about 12666.0530158373. The cubic root of 160428899 is about 543.3681784353.

It can be divided in two parts, 1604 and 28899, that added together give a palindrome (30503).

The spelling of 160428899 in words is "one hundred sixty million, four hundred twenty-eight thousand, eight hundred ninety-nine".

Divisors: 1 29 5532031 160428899