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38949043 = 76783047
BaseRepresentation
bin1001010010010…
…1000010110011
32201021211001011
42110211002303
534432332133
63510451351
7652030030
oct224450263
981254034
1038949043
111aa92aa1
1211063b57
1380b9393
14525c387
1536456cd
hex25250b3

38949043 has 8 divisors (see below), whose sum is σ = 45178112. Its totient is φ = 32886216.

The previous prime is 38949037. The next prime is 38949073. The reversal of 38949043 is 34094983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38949043 - 217 = 38817971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38948987 and 38949005.

It is not an unprimeable number, because it can be changed into a prime (38949073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41055 + ... + 41992.

It is an arithmetic number, because the mean of its divisors is an integer number (5647264).

Almost surely, 238949043 is an apocalyptic number.

38949043 is a deficient number, since it is larger than the sum of its proper divisors (6229069).

38949043 is an equidigital number, since it uses as much as digits as its factorization.

38949043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83121.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 38949043 is about 6240.9168396959. The cubic root of 38949043 is about 338.9733825251.

The spelling of 38949043 in words is "thirty-eight million, nine hundred forty-nine thousand, forty-three".

Divisors: 1 7 67 469 83047 581329 5564149 38949043