Search a number
-
+
226890955 = 545378191
BaseRepresentation
bin11011000011000…
…01010011001011
3120210221020212201
431201201103023
5431041002310
634303021031
75423353444
oct1541412313
9523836781
10226890955
1110708a595
1263b9a777
1338011105
14221c22cb
1514dbbe3a
hexd8614cb

226890955 has 4 divisors (see below), whose sum is σ = 272269152. Its totient is φ = 181512760.

The previous prime is 226890907. The next prime is 226890967. The reversal of 226890955 is 559098622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559098622 = 2279549311.

It is not a de Polignac number, because 226890955 - 213 = 226882763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22689091 + ... + 22689100.

It is an arithmetic number, because the mean of its divisors is an integer number (68067288).

Almost surely, 2226890955 is an apocalyptic number.

226890955 is a deficient number, since it is larger than the sum of its proper divisors (45378197).

226890955 is an equidigital number, since it uses as much as digits as its factorization.

226890955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45378196.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 226890955 is about 15062.8999531963. The cubic root of 226890955 is about 609.9193255310.

The spelling of 226890955 in words is "two hundred twenty-six million, eight hundred ninety thousand, nine hundred fifty-five".

Divisors: 1 5 45378191 226890955