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8987268 = 2231096871
BaseRepresentation
bin100010010010…
…001010000100
3121220121012210
4202102022010
54300043033
6520343420
7136250643
oct42221204
917817183
108987268
1150892a4
123014b70
131b28914
14129d35a
15bc7d63
hex892284

8987268 has 24 divisors (see below), whose sum is σ = 21165760. Its totient is φ = 2967840.

The previous prime is 8987243. The next prime is 8987269. The reversal of 8987268 is 8627898.

It is a happy number.

It is a super-2 number, since 2×89872682 = 161541972207648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8987269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 4743.

Almost surely, 28987268 is an apocalyptic number.

It is an amenable number.

8987268 is an abundant number, since it is smaller than the sum of its proper divisors (12178492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8987268 is a wasteful number, since it uses less digits than its factorization.

8987268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987 (or 6985 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 8987268 is about 2997.8772489880. The cubic root of 8987268 is about 207.9102485068.

The spelling of 8987268 in words is "eight million, nine hundred eighty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 6871 13742 20613 27484 41226 82452 748939 1497878 2246817 2995756 4493634 8987268