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9042069 = 39413203
BaseRepresentation
bin100010011111…
…100010010101
3122000101101110
4202133202111
54303321234
6521445233
7136566501
oct42374225
918011343
109042069
115116493
123040819
131b4784a
1412b5301
15bd91e9
hex89f895

9042069 has 8 divisors (see below), whose sum is σ = 12072672. Its totient is φ = 6019760.

The previous prime is 9042067. The next prime is 9042107. The reversal of 9042069 is 9602409.

9042069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9042069 - 21 = 9042067 is a prime.

It is a super-2 number, since 2×90420692 = 163518023601522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (1509084).

Almost surely, 29042069 is an apocalyptic number.

It is an amenable number.

9042069 is a deficient number, since it is larger than the sum of its proper divisors (3030603).

9042069 is a wasteful number, since it uses less digits than its factorization.

9042069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 9042069 is about 3007.0033255718. The cubic root of 9042069 is about 208.3319788001.

The spelling of 9042069 in words is "nine million, forty-two thousand, sixty-nine".

Divisors: 1 3 941 2823 3203 9609 3014023 9042069