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28846193 = 173166741
BaseRepresentation
bin110111000001…
…0100001110001
32000021112112112
41232002201301
524341034233
62510135105
7500121455
oct156024161
960245475
1028846193
1115312632
1297b1495
135c8ca6c
143b8c665
1527ec048
hex1b82871

28846193 has 4 divisors (see below), whose sum is σ = 29013108. Its totient is φ = 28679280.

The previous prime is 28846187. The next prime is 28846217. The reversal of 28846193 is 39164882.

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 23309584 + 5536609 = 4828^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 28846193 - 214 = 28829809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28846193.

It is not an unprimeable number, because it can be changed into a prime (28840193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83198 + ... + 83543.

It is an arithmetic number, because the mean of its divisors is an integer number (7253277).

Almost surely, 228846193 is an apocalyptic number.

It is an amenable number.

28846193 is a deficient number, since it is larger than the sum of its proper divisors (166915).

28846193 is a wasteful number, since it uses less digits than its factorization.

28846193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166914.

The product of its digits is 82944, while the sum is 41.

The square root of 28846193 is about 5370.8652003192. The cubic root of 28846193 is about 306.6875656572.

The spelling of 28846193 in words is "twenty-eight million, eight hundred forty-six thousand, one hundred ninety-three".

Divisors: 1 173 166741 28846193