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8828981 = 74130763
BaseRepresentation
bin100001101011…
…100000110101
3121121120002022
4201223200311
54230011411
6513122525
7135021320
oct41534065
917546068
108828981
114a90387
122b59445
131aa1865
14125b7b7
15b95edb
hex86b835

8828981 has 8 divisors (see below), whose sum is σ = 10336704. Its totient is φ = 7382880.

The previous prime is 8828971. The next prime is 8828983. The reversal of 8828981 is 1898288.

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

It is a cyclic number.

It is not a de Polignac number, because 8828981 - 26 = 8828917 is a prime.

It is a super-2 number, since 2×88289812 = 155901810996722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8828983) 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 7 ways as a sum of consecutive naturals, for example, 15095 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (1292088).

Almost surely, 28828981 is an apocalyptic number.

It is an amenable number.

8828981 is a deficient number, since it is larger than the sum of its proper divisors (1507723).

8828981 is a wasteful number, since it uses less digits than its factorization.

8828981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30811.

The product of its digits is 73728, while the sum is 44.

The square root of 8828981 is about 2971.3601262721. The cubic root of 8828981 is about 206.6824149752.

The spelling of 8828981 in words is "eight million, eight hundred twenty-eight thousand, nine hundred eighty-one".

Divisors: 1 7 41 287 30763 215341 1261283 8828981