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226815 = 3515121
BaseRepresentation
bin110111010111111111
3102112010120
4313113333
524224230
64510023
71633161
oct672777
9375116
10226815
11145456
12ab313
137c314
145c931
1547310
hex375ff

226815 has 8 divisors (see below), whose sum is σ = 362928. Its totient is φ = 120960.

The previous prime is 226813. The next prime is 226817. The reversal of 226815 is 518622.

It is an interprime number because it is at equal distance from previous prime (226813) and next prime (226817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 226815 - 21 = 226813 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 226815.

It is not an unprimeable number, because it can be changed into a prime (226813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7546 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (45366).

2226815 is an apocalyptic number.

226815 is a deficient number, since it is larger than the sum of its proper divisors (136113).

226815 is a wasteful number, since it uses less digits than its factorization.

226815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15129.

The product of its digits is 960, while the sum is 24.

The square root of 226815 is about 476.2509842510. The cubic root of 226815 is about 60.9851258189.

The spelling of 226815 in words is "two hundred twenty-six thousand, eight hundred fifteen".

Divisors: 1 3 5 15 15121 45363 75605 226815