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28930246 = 220117193
BaseRepresentation
bin110111001011…
…1000011000110
32000102210211121
41232113003012
524401231441
62512024154
7500621512
oct156270306
960383747
1028930246
111536a7a4
12983205a
135cbc0b7
143bb1142
152816dd1
hex1b970c6

28930246 has 8 divisors (see below), whose sum is σ = 43422984. Its totient is φ = 14455920.

The previous prime is 28930229. The next prime is 28930247. The reversal of 28930246 is 64203982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28930247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (5427873).

Almost surely, 228930246 is an apocalyptic number.

28930246 is a deficient number, since it is larger than the sum of its proper divisors (14492738).

28930246 is a wasteful number, since it uses less digits than its factorization.

28930246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 28930246 is about 5378.6844116382. The cubic root of 28930246 is about 306.9851556234.

The spelling of 28930246 in words is "twenty-eight million, nine hundred thirty thousand, two hundred forty-six".

Divisors: 1 2 2011 4022 7193 14386 14465123 28930246