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8021364 = 2231351419
BaseRepresentation
bin11110100110010101110100
3120002112020120
4132212111310
54023140424
6443531540
7125115621
oct36462564
916075216
108021364
11458962a
122829bb0
13187b090
1410cb348
15a86a79
hex7a6574

8021364 has 24 divisors (see below), whose sum is σ = 20156640. Its totient is φ = 2468064.

The previous prime is 8021359. The next prime is 8021381. The reversal of 8021364 is 4631208.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25554 + ... + 25865.

It is an arithmetic number, because the mean of its divisors is an integer number (839860).

Almost surely, 28021364 is an apocalyptic number.

It is an amenable number.

8021364 is an abundant number, since it is smaller than the sum of its proper divisors (12135276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8021364 is a wasteful number, since it uses less digits than its factorization.

8021364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51439 (or 51437 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 8021364 is about 2832.2012640347. The cubic root of 8021364 is about 200.1778750887.

It can be divided in two parts, 8021 and 364, that added together give a triangular number (8385 = T129).

The spelling of 8021364 in words is "eight million, twenty-one thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 51419 102838 154257 205676 308514 617028 668447 1336894 2005341 2673788 4010682 8021364