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38830379 = 77375989
BaseRepresentation
bin1001010000100…
…0000100101011
32201001210021012
42110020010223
534420033004
63504134135
7651024050
oct224100453
981053235
1038830379
111aa11925
121100734b
138077373
14522b027
15362046e
hex250812b

38830379 has 8 divisors (see below), whose sum is σ = 44986080. Its totient is φ = 32826816.

The previous prime is 38830373. The next prime is 38830381. The reversal of 38830379 is 97303883.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38830379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38830373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37484 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (5623260).

Almost surely, 238830379 is an apocalyptic number.

38830379 is a deficient number, since it is larger than the sum of its proper divisors (6155701).

38830379 is an equidigital number, since it uses as much as digits as its factorization.

38830379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76069.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38830379 is about 6231.4026510891. The cubic root of 38830379 is about 338.6287882122.

The spelling of 38830379 in words is "thirty-eight million, eight hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 7 73 511 75989 531923 5547197 38830379