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38068145 = 57613629
BaseRepresentation
bin1001000100110…
…1111110110001
32122122001200022
42101031332301
534221140040
63435533225
7641400563
oct221157661
978561608
1038068145
111a541185
12108ba215
137b6b43b
1450ad333
15351e6b5
hex244dfb1

38068145 has 4 divisors (see below), whose sum is σ = 45681780. Its totient is φ = 30454512.

The previous prime is 38068099. The next prime is 38068169. The reversal of 38068145 is 54186083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 26296384 = 3431^2 + 5128^2 .

It is a cyclic number.

It is not a de Polignac number, because 38068145 - 220 = 37019569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806810 + ... + 3806819.

It is an arithmetic number, because the mean of its divisors is an integer number (11420445).

Almost surely, 238068145 is an apocalyptic number.

It is an amenable number.

38068145 is a deficient number, since it is larger than the sum of its proper divisors (7613635).

38068145 is an equidigital number, since it uses as much as digits as its factorization.

38068145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613634.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 38068145 is about 6169.9388165524. The cubic root of 38068145 is about 336.3983871727.

The spelling of 38068145 in words is "thirty-eight million, sixty-eight thousand, one hundred forty-five".

Divisors: 1 5 7613629 38068145