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8073213 = 39727743
BaseRepresentation
bin11110110010111111111101
3120012011100220
4132302333331
54031320323
6445011553
7125423031
oct36627775
916164326
108073213
114614585
122853bb9
131898865
1411021c1
15a970e3
hex7b2ffd

8073213 has 8 divisors (see below), whose sum is σ = 10875648. Its totient is φ = 5326464.

The previous prime is 8073203. The next prime is 8073229. The reversal of 8073213 is 3123708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8073213 - 28 = 8072957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073203) 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, 13581 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (1359456).

Almost surely, 28073213 is an apocalyptic number.

It is an amenable number.

8073213 is a deficient number, since it is larger than the sum of its proper divisors (2802435).

8073213 is a wasteful number, since it uses less digits than its factorization.

8073213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27843.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 8073213 is about 2841.3400007743. The cubic root of 8073213 is about 200.6082565777.

The spelling of 8073213 in words is "eight million, seventy-three thousand, two hundred thirteen".

Divisors: 1 3 97 291 27743 83229 2691071 8073213