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103544121 = 3239144413
BaseRepresentation
bin1100010101111…
…11010100111001
321012211120211110
412022333110321
5203001402441
614135150533
72365052622
oct612772471
9235746743
10103544121
11534a225a
122a815449
13185b4a15
14da74a49
159154b16
hex62bf539

103544121 has 8 divisors (see below), whose sum is σ = 138637440. Its totient is φ = 68740112.

The previous prime is 103544107. The next prime is 103544143. The reversal of 103544121 is 121445301.

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 103544121 - 223 = 95155513 is a prime.

It is a super-3 number, since 3×1035441213 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103544101) 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, 71490 + ... + 72923.

It is an arithmetic number, because the mean of its divisors is an integer number (17329680).

Almost surely, 2103544121 is an apocalyptic number.

It is an amenable number.

103544121 is a deficient number, since it is larger than the sum of its proper divisors (35093319).

103544121 is a wasteful number, since it uses less digits than its factorization.

103544121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144655.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 103544121 is about 10175.6631724915. The cubic root of 103544121 is about 469.5788002531.

Adding to 103544121 its reverse (121445301), we get a palindrome (224989422).

The spelling of 103544121 in words is "one hundred three million, five hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 3 239 717 144413 433239 34514707 103544121