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226949 = 1271787
BaseRepresentation
bin110111011010000101
3102112022112
4313122011
524230244
64510405
71633442
oct673205
9375275
10226949
11145568
12ab405
137c3b8
145c9c9
154739e
hex37685

226949 has 4 divisors (see below), whose sum is σ = 228864. Its totient is φ = 225036.

The previous prime is 226943. The next prime is 226991. The reversal of 226949 is 949622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 949622 = 2474811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226949 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226943) 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, 767 + ... + 1020.

It is an arithmetic number, because the mean of its divisors is an integer number (57216).

2226949 is an apocalyptic number.

It is an amenable number.

226949 is a deficient number, since it is larger than the sum of its proper divisors (1915).

226949 is a wasteful number, since it uses less digits than its factorization.

226949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its digits is 7776, while the sum is 32.

The square root of 226949 is about 476.3916456026. The cubic root of 226949 is about 60.9971332524.

Adding to 226949 its sum of digits (32), we get a cube (226981 = 613).

The spelling of 226949 in words is "two hundred twenty-six thousand, nine hundred forty-nine".

Divisors: 1 127 1787 226949