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9000988 = 222250247
BaseRepresentation
bin100010010101…
…100000011100
3121221022000221
4202111200130
54301012423
6520531124
7136335643
oct42254034
917838027
109000988
115098637
123020aa4
131b31c39
1412a435a
15bcbe5d
hex89581c

9000988 has 6 divisors (see below), whose sum is σ = 15751736. Its totient is φ = 4500492.

The previous prime is 9000983. The next prime is 9000989. The reversal of 9000988 is 8890009.

9000988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×90009882 = 162035569952288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125120 + ... + 1125127.

Almost surely, 29000988 is an apocalyptic number.

It is an amenable number.

9000988 is a deficient number, since it is larger than the sum of its proper divisors (6750748).

9000988 is a wasteful number, since it uses less digits than its factorization.

9000988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250251 (or 2250249 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 9000988 is about 3000.1646621477. The cubic root of 9000988 is about 208.0159935927.

The spelling of 9000988 in words is "nine million, nine hundred eighty-eight", and thus it is an aban number.

Divisors: 1 2 4 2250247 4500494 9000988