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102838519 = 7132711071
BaseRepresentation
bin1100010000100…
…11000011110111
321011111201221001
412020103003313
5202311313034
614112104131
72356053520
oct610230367
9234451831
10102838519
1153060113
122a535047
13183c87c4
14d92d847
159065a14
hex62130f7

102838519 has 8 divisors (see below), whose sum is σ = 117628928. Its totient is φ = 88072920.

The previous prime is 102838517. The next prime is 102838573. The reversal of 102838519 is 915838201.

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

It is a cyclic number.

It is not a de Polignac number, because 102838519 - 21 = 102838517 is a prime.

It is a super-2 number, since 2×1028385192 = 21151521980226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102838513) by changing a digit.

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, 3754 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (14703616).

Almost surely, 2102838519 is an apocalyptic number.

102838519 is a deficient number, since it is larger than the sum of its proper divisors (14790409).

102838519 is a wasteful number, since it uses less digits than its factorization.

102838519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 102838519 is about 10140.9328466369. The cubic root of 102838519 is about 468.5097190102.

The spelling of 102838519 in words is "one hundred two million, eight hundred thirty-eight thousand, five hundred nineteen".

Divisors: 1 7 1327 9289 11071 77497 14691217 102838519