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103688234 = 21319972
BaseRepresentation
bin1100010111000…
…10100000101010
321020002220111222
412023202200222
5203021010414
614142222042
72366223026
oct613424052
9236086458
10103688234
1153590561
122a884922
13186354b0
14dab1386
15918268e
hex62e282a

103688234 has 12 divisors (see below), whose sum is σ = 167580294. Its totient is φ = 47832144.

The previous prime is 103688213. The next prime is 103688239. The reversal of 103688234 is 432886301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12581209 + 91107025 = 3547^2 + 9545^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103688194 and 103688203.

It is not an unprimeable number, because it can be changed into a prime (103688239) 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 5 ways as a sum of consecutive naturals, for example, 50924 + ... + 52920.

Almost surely, 2103688234 is an apocalyptic number.

103688234 is a deficient number, since it is larger than the sum of its proper divisors (63892060).

103688234 is an frugal number, since it uses more digits than its factorization.

103688234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 103688234 is about 10182.7419686448. The cubic root of 103688234 is about 469.7965529614.

The spelling of 103688234 in words is "one hundred three million, six hundred eighty-eight thousand, two hundred thirty-four".

Divisors: 1 2 13 26 1997 3994 25961 51922 3988009 7976018 51844117 103688234