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38985423 = 312995141
BaseRepresentation
bin1001010010110…
…1111011001111
32201100122221120
42110231323033
534440013143
63511332023
7652241061
oct224557317
981318846
1038985423
1120008364
1211081013
1380ccac9
14526b731
153651383
hex252decf

38985423 has 4 divisors (see below), whose sum is σ = 51980568. Its totient is φ = 25990280.

The previous prime is 38985407. The next prime is 38985433. The reversal of 38985423 is 32458983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32458983 = 310819661.

It is a cyclic number.

It is not a de Polignac number, because 38985423 - 24 = 38985407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38985433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6497568 + ... + 6497573.

It is an arithmetic number, because the mean of its divisors is an integer number (12995142).

Almost surely, 238985423 is an apocalyptic number.

38985423 is a deficient number, since it is larger than the sum of its proper divisors (12995145).

38985423 is a wasteful number, since it uses less digits than its factorization.

38985423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995144.

The product of its digits is 207360, while the sum is 42.

The square root of 38985423 is about 6243.8307952730. The cubic root of 38985423 is about 339.0788880199.

The spelling of 38985423 in words is "thirty-eight million, nine hundred eighty-five thousand, four hundred twenty-three".

Divisors: 1 3 12995141 38985423