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38851445 = 529267941
BaseRepresentation
bin1001010000110…
…1001101110101
32201002212011102
42110031031311
534421221240
63504415445
7651142343
oct224151565
981085142
1038851445
111aa26736
1211017585
138083b29
145234993
153626815
hex250d375

38851445 has 8 divisors (see below), whose sum is σ = 48229560. Its totient is φ = 30009280.

The previous prime is 38851433. The next prime is 38851451. The reversal of 38851445 is 54415883.

38851445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1156 + 38850289 = 34^2 + 6233^2 .

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

It is not a de Polignac number, because 38851445 - 24 = 38851429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38851399 and 38851408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133826 + ... + 134115.

It is an arithmetic number, because the mean of its divisors is an integer number (6028695).

Almost surely, 238851445 is an apocalyptic number.

It is an amenable number.

38851445 is a deficient number, since it is larger than the sum of its proper divisors (9378115).

38851445 is a wasteful number, since it uses less digits than its factorization.

38851445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267975.

The product of its digits is 76800, while the sum is 38.

The square root of 38851445 is about 6233.0927315419. The cubic root of 38851445 is about 338.6900140239.

The spelling of 38851445 in words is "thirty-eight million, eight hundred fifty-one thousand, four hundred forty-five".

Divisors: 1 5 29 145 267941 1339705 7770289 38851445