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226490 = 25112971
BaseRepresentation
bin110111010010111010
3102111200112
4313102322
524221430
64504322
71632215
oct672272
9374615
10226490
11145190
12ab0a2
137c124
145c77c
1547195
hex374ba

226490 has 32 divisors (see below), whose sum is σ = 466560. Its totient is φ = 78400.

The previous prime is 226487. The next prime is 226511. The reversal of 226490 is 94622.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 226490.

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 15 ways as a sum of consecutive naturals, for example, 3155 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2226490 is an apocalyptic number.

226490 is an abundant number, since it is smaller than the sum of its proper divisors (240070).

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

226490 is a wasteful number, since it uses less digits than its factorization.

226490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 226490 is about 475.9096552918. The cubic root of 226490 is about 60.9559836544.

The spelling of 226490 in words is "two hundred twenty-six thousand, four hundred ninety".

Divisors: 1 2 5 10 11 22 29 55 58 71 110 142 145 290 319 355 638 710 781 1562 1595 2059 3190 3905 4118 7810 10295 20590 22649 45298 113245 226490