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226320215 = 5112374083
BaseRepresentation
bin11010111110101…
…01111101010111
3120202212020222012
431133111331113
5430414221330
634242454435
75415455462
oct1537257527
9522766865
10226320215
1110682a800
126396441b
1337b713b4
14220b42d9
1514d07c95
hexd7d5f57

226320215 has 12 divisors (see below), whose sum is σ = 298519032. Its totient is φ = 164596080.

The previous prime is 226320203. The next prime is 226320251. The reversal of 226320215 is 512023622.

It is not a de Polignac number, because 226320215 - 26 = 226320151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186437 + ... + 187646.

It is an arithmetic number, because the mean of its divisors is an integer number (24876586).

Almost surely, 2226320215 is an apocalyptic number.

226320215 is a deficient number, since it is larger than the sum of its proper divisors (72198817).

226320215 is a wasteful number, since it uses less digits than its factorization.

226320215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374110 (or 374099 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 226320215 is about 15043.9428010080. The cubic root of 226320215 is about 609.4074825201.

Adding to 226320215 its reverse (512023622), we get a palindrome (738343837).

The spelling of 226320215 in words is "two hundred twenty-six million, three hundred twenty thousand, two hundred fifteen".

Divisors: 1 5 11 55 121 605 374083 1870415 4114913 20574565 45264043 226320215