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227485421 = 2179104399
BaseRepresentation
bin11011000111100…
…10011011101101
3120212001110022222
431203302123231
5431214013141
634323445125
75431410542
oct1543623355
9525043288
10227485421
11107456189
12642267a5
133818b877
14222d8bc9
1514e8814b
hexd8f26ed

227485421 has 4 divisors (see below), whose sum is σ = 227592000. Its totient is φ = 227378844.

The previous prime is 227485411. The next prime is 227485429. The reversal of 227485421 is 124584722.

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 not a de Polignac number, because 227485421 - 218 = 227223277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227485429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50021 + ... + 54378.

It is an arithmetic number, because the mean of its divisors is an integer number (56898000).

Almost surely, 2227485421 is an apocalyptic number.

It is an amenable number.

227485421 is a deficient number, since it is larger than the sum of its proper divisors (106579).

227485421 is a wasteful number, since it uses less digits than its factorization.

227485421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106578.

The product of its digits is 35840, while the sum is 35.

The square root of 227485421 is about 15082.6198321114. The cubic root of 227485421 is about 610.4515343560.

The spelling of 227485421 in words is "two hundred twenty-seven million, four hundred eighty-five thousand, four hundred twenty-one".

Divisors: 1 2179 104399 227485421