Search a number
-
+
38345623 = 232173419
BaseRepresentation
bin1001001001000…
…1101110010111
32200011011022021
42102101232113
534304024443
63445514011
7643634551
oct222215627
980134267
1038345623
111a7106a8
1210a12907
137c37824
1451424d1
1535769ed
hex2491b97

38345623 has 12 divisors (see below), whose sum is σ = 40413240. Its totient is φ = 36379376.

The previous prime is 38345621. The next prime is 38345633. The reversal of 38345623 is 32654383.

38345623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38345623 - 21 = 38345621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38345621) 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 11 ways as a sum of consecutive naturals, for example, 91308 + ... + 91726.

It is an arithmetic number, because the mean of its divisors is an integer number (3367770).

Almost surely, 238345623 is an apocalyptic number.

38345623 is a deficient number, since it is larger than the sum of its proper divisors (2067617).

38345623 is a wasteful number, since it uses less digits than its factorization.

38345623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 615 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 38345623 is about 6192.3842742517. The cubic root of 38345623 is about 337.2137431915.

The spelling of 38345623 in words is "thirty-eight million, three hundred forty-five thousand, six hundred twenty-three".

Divisors: 1 23 173 419 529 3979 9637 72487 91517 221651 1667201 38345623