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190828 = 22114337
BaseRepresentation
bin101110100101101100
3100200202201
4232211230
522101303
64031244
71423231
oct564554
9320681
10190828
11120410
1292524
1368b21
144d788
153b81d
hex2e96c

190828 has 12 divisors (see below), whose sum is σ = 364392. Its totient is φ = 86720.

The previous prime is 190823. The next prime is 190829. The reversal of 190828 is 828091.

It is a junction number, because it is equal to n+sod(n) for n = 190796 and 190805.

It is not an unprimeable number, because it can be changed into a prime (190823) 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, 2125 + ... + 2212.

It is an arithmetic number, because the mean of its divisors is an integer number (30366).

2190828 is an apocalyptic number.

190828 is the 234-th centered heptagonal number.

It is an amenable number.

190828 is a deficient number, since it is larger than the sum of its proper divisors (173564).

190828 is a wasteful number, since it uses less digits than its factorization.

190828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 190828 is about 436.8386429793. The cubic root of 190828 is about 57.5723600670.

It can be divided in two parts, 1908 and 28, that added together give a square (1936 = 442).

The spelling of 190828 in words is "one hundred ninety thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 4337 8674 17348 47707 95414 190828