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208426 = 2232197
BaseRepresentation
bin110010111000101010
3101120220111
4302320222
523132201
64244534
71525441
oct627052
9346814
10208426
11132659
12a074a
1373b3a
1455d58
1541b51
hex32e2a

208426 has 12 divisors (see below), whose sum is σ = 328482. Its totient is φ = 99176.

The previous prime is 208409. The next prime is 208433. The reversal of 208426 is 624802.

208426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 89401 = 345^2 + 299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208397 and 208406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 960 + ... + 1156.

2208426 is an apocalyptic number.

208426 is a deficient number, since it is larger than the sum of its proper divisors (120056).

208426 is a wasteful number, since it uses less digits than its factorization.

208426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 208426 is about 456.5369645494. The cubic root of 208426 is about 59.2903432505.

The spelling of 208426 in words is "two hundred eight thousand, four hundred twenty-six".

Divisors: 1 2 23 46 197 394 529 1058 4531 9062 104213 208426