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8896381 = 13684337
BaseRepresentation
bin100001111011…
…111101111101
3121201222112121
4201323331331
54234141011
6514402541
7135421654
oct41737575
917658477
108896381
115026a8a
122b90451
131ac6440
14127819b
15baae71
hex87bf7d

8896381 has 4 divisors (see below), whose sum is σ = 9580732. Its totient is φ = 8212032.

The previous prime is 8896361. The next prime is 8896397. The reversal of 8896381 is 1836988.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 8173881 = 850^2 + 2859^2 .

It is a cyclic number.

It is not a de Polignac number, because 8896381 - 29 = 8895869 is a prime.

It is a super-2 number, since 2×88963812 = 158291189794322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8896361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342156 + ... + 342181.

It is an arithmetic number, because the mean of its divisors is an integer number (2395183).

Almost surely, 28896381 is an apocalyptic number.

It is an amenable number.

8896381 is a deficient number, since it is larger than the sum of its proper divisors (684351).

8896381 is a wasteful number, since it uses less digits than its factorization.

8896381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684350.

The product of its digits is 82944, while the sum is 43.

The square root of 8896381 is about 2982.6801705848. The cubic root of 8896381 is about 207.2070167145.

It can be divided in two parts, 88 and 96381, that added together give a palindrome (96469).

The spelling of 8896381 in words is "eight million, eight hundred ninety-six thousand, three hundred eighty-one".

Divisors: 1 13 684337 8896381