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38923039 = 192048581
BaseRepresentation
bin1001010001111…
…0101100011111
32201020111101001
42110132230133
534431014124
63510131131
7651561151
oct224365437
981214331
1038923039
111aa75501
1211050aa7
1380aa5ac
145252ad1
15363cb44
hex251eb1f

38923039 has 4 divisors (see below), whose sum is σ = 40971640. Its totient is φ = 36874440.

The previous prime is 38923019. The next prime is 38923051. The reversal of 38923039 is 93032983.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38923039 - 219 = 38398751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38922989 and 38923007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38923019) 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, 1024272 + ... + 1024309.

It is an arithmetic number, because the mean of its divisors is an integer number (10242910).

Almost surely, 238923039 is an apocalyptic number.

38923039 is a deficient number, since it is larger than the sum of its proper divisors (2048601).

38923039 is a wasteful number, since it uses less digits than its factorization.

38923039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048600.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 38923039 is about 6238.8331441064. The cubic root of 38923039 is about 338.8979281573.

The spelling of 38923039 in words is "thirty-eight million, nine hundred twenty-three thousand, thirty-nine".

Divisors: 1 19 2048581 38923039