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3138227 = 25712211
BaseRepresentation
bin1011111110001010110011
312220102211122
423332022303
51300410402
6151132455
735450231
oct13761263
95812748
103138227
111853884
12107412b
1385b551
145b9951
1541eca2
hex2fe2b3

3138227 has 4 divisors (see below), whose sum is σ = 3150696. Its totient is φ = 3125760.

The previous prime is 3138221. The next prime is 3138283. The reversal of 3138227 is 7228313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3138227 - 220 = 2089651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3138196 and 3138205.

It is not an unprimeable number, because it can be changed into a prime (3138221) 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, 5849 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (787674).

Almost surely, 23138227 is an apocalyptic number.

3138227 is a deficient number, since it is larger than the sum of its proper divisors (12469).

3138227 is a wasteful number, since it uses less digits than its factorization.

3138227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468.

The product of its digits is 2016, while the sum is 26.

The square root of 3138227 is about 1771.5041631337. The cubic root of 3138227 is about 146.4068684755.

The spelling of 3138227 in words is "three million, one hundred thirty-eight thousand, two hundred twenty-seven".

Divisors: 1 257 12211 3138227