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9038013 = 33797949
BaseRepresentation
bin100010011110…
…100010111101
3122000011211020
4202132202331
54303204023
6521414353
7136551615
oct42364275
918004736
109038013
115113436
12303a3b9
131b45a4a
1412b3a45
15bd7de3
hex89e8bd

9038013 has 8 divisors (see below), whose sum is σ = 12084000. Its totient is φ = 6008688.

The previous prime is 9037991. The next prime is 9038021. The reversal of 9038013 is 3108309.

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

It is not a de Polignac number, because 9038013 - 25 = 9037981 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9038023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (1510500).

Almost surely, 29038013 is an apocalyptic number.

It is an amenable number.

9038013 is a deficient number, since it is larger than the sum of its proper divisors (3045987).

9038013 is a wasteful number, since it uses less digits than its factorization.

9038013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9038013 is about 3006.3288243304. The cubic root of 9038013 is about 208.3008236561.

The spelling of 9038013 in words is "nine million, thirty-eight thousand, thirteen".

Divisors: 1 3 379 1137 7949 23847 3012671 9038013