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103931325 = 3252461917
BaseRepresentation
bin1100011000111…
…01110110111101
321020120020222100
412030131312331
5203101300300
614151335313
72401254531
oct614356675
9236506870
10103931325
1153737163
122a981539
13186bc034
14db35bc1
1591ce700
hex631ddbd

103931325 has 18 divisors (see below), whose sum is σ = 186152954. Its totient is φ = 55429920.

The previous prime is 103931309. The next prime is 103931327. The reversal of 103931325 is 523139301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13689 + 103917636 = 117^2 + 10194^2 .

It is not a de Polignac number, because 103931325 - 24 = 103931309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103931327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 230734 + ... + 231183.

Almost surely, 2103931325 is an apocalyptic number.

103931325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103931325 is a deficient number, since it is larger than the sum of its proper divisors (82221629).

103931325 is a wasteful number, since it uses less digits than its factorization.

103931325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461933 (or 461925 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 103931325 is about 10194.6714022572. The cubic root of 103931325 is about 470.1634032711.

The spelling of 103931325 in words is "one hundred three million, nine hundred thirty-one thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 461917 1385751 2309585 4157253 6928755 11547925 20786265 34643775 103931325