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28448196 = 2237338669
BaseRepresentation
bin110110010000…
…1010111000100
31222112022120220
41230201113010
524240320241
62453424340
7463543230
oct154412704
958468526
1028448196
1115070607
12963b0b0
135b8086a
143ac75c0
15276e166
hex1b215c4

28448196 has 24 divisors (see below), whose sum is σ = 75862080. Its totient is φ = 8128032.

The previous prime is 28448183. The next prime is 28448201. The reversal of 28448196 is 69184482.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 169251 + ... + 169418.

It is an arithmetic number, because the mean of its divisors is an integer number (3160920).

Almost surely, 228448196 is an apocalyptic number.

It is an amenable number.

28448196 is an abundant number, since it is smaller than the sum of its proper divisors (47413884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28448196 is a wasteful number, since it uses less digits than its factorization.

28448196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338683 (or 338681 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 28448196 is about 5333.6850300707. The cubic root of 28448196 is about 305.2705509422.

The spelling of 28448196 in words is "twenty-eight million, four hundred forty-eight thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 338669 677338 1016007 1354676 2032014 2370683 4064028 4741366 7112049 9482732 14224098 28448196