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38068379 = 325911681
BaseRepresentation
bin1001000100111…
…0000010011011
32122122001222222
42101032002123
534221142004
63435534255
7641401346
oct221160233
978561888
1038068379
111a541378
12108ba38b
137b6b58b
1450ad45d
15351e7be
hex244e09b

38068379 has 4 divisors (see below), whose sum is σ = 38083320. Its totient is φ = 38053440.

The previous prime is 38068369. The next prime is 38068397. The reversal of 38068379 is 97386083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97386083 = 424122963.

It is a cyclic number.

It is not a de Polignac number, because 38068379 - 212 = 38064283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38068309) 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 3 ways as a sum of consecutive naturals, for example, 2582 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (9520830).

Almost surely, 238068379 is an apocalyptic number.

38068379 is a deficient number, since it is larger than the sum of its proper divisors (14941).

38068379 is a wasteful number, since it uses less digits than its factorization.

38068379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14940.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 38068379 is about 6169.9577794342. The cubic root of 38068379 is about 336.3990764371.

The spelling of 38068379 in words is "thirty-eight million, sixty-eight thousand, three hundred seventy-nine".

Divisors: 1 3259 11681 38068379