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8073812 = 222018453
BaseRepresentation
bin11110110011001001010100
3120012012012002
4132303021110
54031330222
6445014432
7125424545
oct36631124
916165162
108073812
114614a7a
122854418
131898c06
1411024cc
15a97392
hex7b3254

8073812 has 6 divisors (see below), whose sum is σ = 14129178. Its totient is φ = 4036904.

The previous prime is 8073811. The next prime is 8073817. The reversal of 8073812 is 2183708.

It can be written as a sum of positive squares in only one way, i.e., 6130576 + 1943236 = 2476^2 + 1394^2 .

It is a super-2 number, since 2×80738122 = 130372880422688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009223 + ... + 1009230.

It is an arithmetic number, because the mean of its divisors is an integer number (2354863).

Almost surely, 28073812 is an apocalyptic number.

It is an amenable number.

8073812 is a deficient number, since it is larger than the sum of its proper divisors (6055366).

8073812 is a wasteful number, since it uses less digits than its factorization.

8073812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018457 (or 2018455 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8073812 is about 2841.4454068308. The cubic root of 8073812 is about 200.6132178975.

The spelling of 8073812 in words is "eight million, seventy-three thousand, eight hundred twelve".

Divisors: 1 2 4 2018453 4036906 8073812