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38146039 = 304912511
BaseRepresentation
bin1001000110000…
…0111111110111
32122210000112021
42101200333313
534231133124
63441334011
7642143641
oct221407767
978700467
1038146039
111a594758
1210937307
137b97a29
1450cd891
1535377e4
hex2460ff7

38146039 has 4 divisors (see below), whose sum is σ = 38161600. Its totient is φ = 38130480.

The previous prime is 38146013. The next prime is 38146063. The reversal of 38146039 is 93064183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93064183 = 471980089.

It is a cyclic number.

It is not a de Polignac number, because 38146039 - 25 = 38146007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38145995 and 38146013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38146439) 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, 3207 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (9540400).

Almost surely, 238146039 is an apocalyptic number.

38146039 is a deficient number, since it is larger than the sum of its proper divisors (15561).

38146039 is a wasteful number, since it uses less digits than its factorization.

38146039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 38146039 is about 6176.2479710582. The cubic root of 38146039 is about 336.6276739251.

The spelling of 38146039 in words is "thirty-eight million, one hundred forty-six thousand, thirty-nine".

Divisors: 1 3049 12511 38146039