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226508369 = 474819327
BaseRepresentation
bin11011000000000…
…11111001010001
3120210012211001212
431200003321101
5430441231434
634250505505
75420201153
oct1540037121
9523184055
10226508369
111069490aa
1263a35295
1337c08c29
1422122ad3
1514d438ce
hexd803e51

226508369 has 4 divisors (see below), whose sum is σ = 231327744. Its totient is φ = 221688996.

The previous prime is 226508341. The next prime is 226508383. The reversal of 226508369 is 963805622.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226508369 is a prime.

It is a super-2 number, since 2×2265083692 = 102612082454080322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226508309) 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, 2409617 + ... + 2409710.

It is an arithmetic number, because the mean of its divisors is an integer number (57831936).

Almost surely, 2226508369 is an apocalyptic number.

It is an amenable number.

226508369 is a deficient number, since it is larger than the sum of its proper divisors (4819375).

226508369 is an equidigital number, since it uses as much as digits as its factorization.

226508369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819374.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 226508369 is about 15050.1949821256. The cubic root of 226508369 is about 609.5763151257.

The spelling of 226508369 in words is "two hundred twenty-six million, five hundred eight thousand, three hundred sixty-nine".

Divisors: 1 47 4819327 226508369