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9390939 = 373137313
BaseRepresentation
bin100011110100…
…101101011011
3122200002221120
4203310231123
54401002224
6533140323
7142551555
oct43645533
918602846
109390939
115334608
12318a6a3
131c3a58c
1413664d5
15c57779
hex8f4b5b

9390939 has 16 divisors (see below), whose sum is σ = 12826272. Its totient is φ = 6110208.

The previous prime is 9390937. The next prime is 9390949.

9390939 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9390939 - 21 = 9390937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9390939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9390937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29847 + ... + 30159.

It is an arithmetic number, because the mean of its divisors is an integer number (801642).

Almost surely, 29390939 is an apocalyptic number.

9390939 is a deficient number, since it is larger than the sum of its proper divisors (3435333).

9390939 is a wasteful number, since it uses less digits than its factorization.

9390939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 59049, while the sum is 42.

The square root of 9390939 is about 3064.4639009132. The cubic root of 9390939 is about 210.9775962077.

The spelling of 9390939 in words is "nine million, three hundred ninety thousand, nine hundred thirty-nine".

Divisors: 1 3 73 137 219 313 411 939 10001 22849 30003 42881 68547 128643 3130313 9390939