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13035531 = 331140167
BaseRepresentation
bin110001101110…
…100000001011
3220112021101110
4301232200023
511314114111
61143221403
7215541315
oct61564013
926467343
1013035531
1173a3873
124447863
132915442
141a347b5
1512275a6
hexc6e80b

13035531 has 8 divisors (see below), whose sum is σ = 17941504. Its totient is φ = 8409960.

The previous prime is 13035523. The next prime is 13035551. The reversal of 13035531 is 13553031.

It is a happy number.

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

It is not a de Polignac number, because 13035531 - 23 = 13035523 is a prime.

It is a super-2 number, since 2×130355312 = 339850136903922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13035498 and 13035507.

It is not an unprimeable number, because it can be changed into a prime (13035551) 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 7 ways as a sum of consecutive naturals, for example, 69991 + ... + 70176.

It is an arithmetic number, because the mean of its divisors is an integer number (2242688).

Almost surely, 213035531 is an apocalyptic number.

13035531 is a deficient number, since it is larger than the sum of its proper divisors (4905973).

13035531 is a wasteful number, since it uses less digits than its factorization.

13035531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140201.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 13035531 is about 3610.4751764830. The cubic root of 13035531 is about 235.3474925519.

Adding to 13035531 its reverse (13553031), we get a palindrome (26588562).

The spelling of 13035531 in words is "thirteen million, thirty-five thousand, five hundred thirty-one".

Divisors: 1 3 31 93 140167 420501 4345177 13035531