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38830378 = 2591093019
BaseRepresentation
bin1001010000100…
…0000100101010
32201001210021011
42110020010222
534420033003
63504134134
7651024046
oct224100452
981053234
1038830378
111aa11924
121100734a
138077372
14522b026
15362046d
hex250812a

38830378 has 16 divisors (see below), whose sum is σ = 59796000. Its totient is φ = 18904752.

The previous prime is 38830373. The next prime is 38830381. The reversal of 38830378 is 87303883.

It is a self number, because there is not a number n which added to its sum of digits gives 38830378.

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, 11353 + ... + 14371.

It is an arithmetic number, because the mean of its divisors is an integer number (3737250).

Almost surely, 238830378 is an apocalyptic number.

38830378 is a deficient number, since it is larger than the sum of its proper divisors (20965622).

38830378 is a wasteful number, since it uses less digits than its factorization.

38830378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 38830378 is about 6231.4025708503. The cubic root of 38830378 is about 338.6287853053.

The spelling of 38830378 in words is "thirty-eight million, eight hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 59 109 118 218 3019 6038 6431 12862 178121 329071 356242 658142 19415189 38830378