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8982481 = 21142571
BaseRepresentation
bin100010010000…
…111111010001
3121220100122111
4202100333101
54244414411
6520305321
7136230664
oct42207721
917810574
108982481
115085742
123012241
131b266a1
14129b6db
15bc6721
hex890fd1

8982481 has 4 divisors (see below), whose sum is σ = 9025264. Its totient is φ = 8939700.

The previous prime is 8982473. The next prime is 8982517. The reversal of 8982481 is 1842898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8982481 - 23 = 8982473 is a prime.

It is a super-2 number, since 2×89824812 = 161369929830722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8982461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21075 + ... + 21496.

It is an arithmetic number, because the mean of its divisors is an integer number (2256316).

Almost surely, 28982481 is an apocalyptic number.

It is an amenable number.

8982481 is a deficient number, since it is larger than the sum of its proper divisors (42783).

8982481 is a wasteful number, since it uses less digits than its factorization.

8982481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42782.

The product of its digits is 36864, while the sum is 40.

The square root of 8982481 is about 2997.0787443776. The cubic root of 8982481 is about 207.8733280130.

Subtracting from 8982481 its sum of digits (40), we obtain a triangular number (8982441 = T4238).

The spelling of 8982481 in words is "eight million, nine hundred eighty-two thousand, four hundred eighty-one".

Divisors: 1 211 42571 8982481