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8081853 = 313207227
BaseRepresentation
bin11110110101000110111101
3120012121012220
4132311012331
54032104403
6445115553
7125460153
oct36650675
916177186
108081853
11462001a
122858bb9
13189c780
1411053d3
15a99953
hex7b51bd

8081853 has 8 divisors (see below), whose sum is σ = 11604768. Its totient is φ = 4973424.

The previous prime is 8081849. The next prime is 8081929. The reversal of 8081853 is 3581808.

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

It is not a de Polignac number, because 8081853 - 22 = 8081849 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081803) 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, 103575 + ... + 103652.

It is an arithmetic number, because the mean of its divisors is an integer number (1450596).

Almost surely, 28081853 is an apocalyptic number.

It is an amenable number.

8081853 is a deficient number, since it is larger than the sum of its proper divisors (3522915).

8081853 is a wasteful number, since it uses less digits than its factorization.

8081853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207243.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 8081853 is about 2842.8600035879. The cubic root of 8081853 is about 200.6797951085.

The spelling of 8081853 in words is "eight million, eighty-one thousand, eight hundred fifty-three".

Divisors: 1 3 13 39 207227 621681 2693951 8081853