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8076321 = 331171383
BaseRepresentation
bin11110110011110000100001
3120012022122000
4132303300201
54031420241
6445034213
7125435061
oct36636041
916168560
108076321
114616950
122855969
13189a0b6
1411033a1
15a97eb6
hex7b3c21

8076321 has 32 divisors (see below), whose sum is σ = 13271040. Its totient is φ = 4813200.

The previous prime is 8076319. The next prime is 8076329. The reversal of 8076321 is 1236708.

It is not a de Polignac number, because 8076321 - 21 = 8076319 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8076329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20896 + ... + 21278.

It is an arithmetic number, because the mean of its divisors is an integer number (414720).

Almost surely, 28076321 is an apocalyptic number.

It is an amenable number.

8076321 is a deficient number, since it is larger than the sum of its proper divisors (5194719).

8076321 is a wasteful number, since it uses less digits than its factorization.

8076321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8076321 is about 2841.8868731883. The cubic root of 8076321 is about 200.6339964522.

The spelling of 8076321 in words is "eight million, seventy-six thousand, three hundred twenty-one".

Divisors: 1 3 9 11 27 33 71 99 213 297 383 639 781 1149 1917 2343 3447 4213 7029 10341 12639 21087 27193 37917 81579 113751 244737 299123 734211 897369 2692107 8076321