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1047213 = 32235059
BaseRepresentation
bin11111111101010101101
31222012111200
43333222231
5232002323
634240113
711621046
oct3775255
91865450
101047213
11655872
12426039
132a886b
141d38cd
1515a443
hexffaad

1047213 has 12 divisors (see below), whose sum is σ = 1578720. Its totient is φ = 667656.

The previous prime is 1047199. The next prime is 1047229. The reversal of 1047213 is 3127401.

It is not a de Polignac number, because 1047213 - 24 = 1047197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2323 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (131560).

21047213 is an apocalyptic number.

It is an amenable number.

1047213 is a deficient number, since it is larger than the sum of its proper divisors (531507).

1047213 is a wasteful number, since it uses less digits than its factorization.

1047213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1047213 is about 1023.3342562428. The cubic root of 1047213 is about 101.5496291224.

The spelling of 1047213 in words is "one million, forty-seven thousand, two hundred thirteen".

Divisors: 1 3 9 23 69 207 5059 15177 45531 116357 349071 1047213