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38513043 = 3311171277
BaseRepresentation
bin1001001011101…
…0100110010011
32200110122222000
42102322212103
534324404133
63453245043
7645232632
oct222724623
980418860
1038513043
111a815468
1210a93783
137c95aaa
145187519
1535ab413
hex24ba993

38513043 has 16 divisors (see below), whose sum is σ = 57152160. Its totient is φ = 25632288.

The previous prime is 38512997. The next prime is 38513051. The reversal of 38513043 is 34031583.

It is a happy number.

38513043 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 38513043 - 220 = 37464467 is a prime.

It is a super-2 number, since 2×385130432 = 2966508962239698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 38512998 and 38513016.

It is not an unprimeable number, because it can be changed into a prime (38513093) 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 15 ways as a sum of consecutive naturals, for example, 29521 + ... + 30797.

It is an arithmetic number, because the mean of its divisors is an integer number (3572010).

Almost surely, 238513043 is an apocalyptic number.

38513043 is a deficient number, since it is larger than the sum of its proper divisors (18639117).

38513043 is a wasteful number, since it uses less digits than its factorization.

38513043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 38513043 is about 6205.8877688853. The cubic root of 38513043 is about 337.7037979004.

The spelling of 38513043 in words is "thirty-eight million, five hundred thirteen thousand, forty-three".

Divisors: 1 3 9 27 1117 1277 3351 3831 10053 11493 30159 34479 1426409 4279227 12837681 38513043