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8021133 = 33297079
BaseRepresentation
bin11110100110010010001101
3120002111221000
4132212102031
54023134013
6443530513
7125115141
oct36462215
916074830
108021133
11458943a
122829a39
13187ac43
1410cb221
15a86973
hex7a648d

8021133 has 8 divisors (see below), whose sum is σ = 11883200. Its totient is φ = 5347404.

The previous prime is 8021131. The next prime is 8021147. The reversal of 8021133 is 3311208.

It is not a de Polignac number, because 8021133 - 21 = 8021131 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 (8021131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148513 + ... + 148566.

It is an arithmetic number, because the mean of its divisors is an integer number (1485400).

Almost surely, 28021133 is an apocalyptic number.

It is an amenable number.

8021133 is a deficient number, since it is larger than the sum of its proper divisors (3862067).

8021133 is a wasteful number, since it uses less digits than its factorization.

8021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297088 (or 297082 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 8021133 is about 2832.1604827410. The cubic root of 8021133 is about 200.1759534898.

The spelling of 8021133 in words is "eight million, twenty-one thousand, one hundred thirty-three".

Divisors: 1 3 9 27 297079 891237 2673711 8021133