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103432331 = 251412081
BaseRepresentation
bin1100010101001…
…00000010001011
321012121220111002
412022210002023
5202434313311
614132525215
72364105662
oct612440213
9235556432
10103432331
1153426272
122a78080b
1318575b82
14da45dd9
15913193b
hex62a408b

103432331 has 4 divisors (see below), whose sum is σ = 103844664. Its totient is φ = 103020000.

The previous prime is 103432327. The next prime is 103432339. The reversal of 103432331 is 133234301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133234301 = 1007913219.

It is a cyclic number.

It is not a de Polignac number, because 103432331 - 22 = 103432327 is a prime.

It is a super-2 number, since 2×1034323312 = 21396494192187122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103432339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205790 + ... + 206291.

It is an arithmetic number, because the mean of its divisors is an integer number (25961166).

Almost surely, 2103432331 is an apocalyptic number.

103432331 is a deficient number, since it is larger than the sum of its proper divisors (412333).

103432331 is an equidigital number, since it uses as much as digits as its factorization.

103432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412332.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 103432331 is about 10170.1686810003. The cubic root of 103432331 is about 469.4097479481.

Adding to 103432331 its reverse (133234301), we get a palindrome (236666632).

The spelling of 103432331 in words is "one hundred three million, four hundred thirty-two thousand, three hundred thirty-one".

Divisors: 1 251 412081 103432331