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32540013 = 3211328687
BaseRepresentation
bin111110000100…
…0010101101101
32021020012111200
41330020111231
531312240023
63121240113
7543404562
oct174102555
967205450
1032540013
1117405880
12aa93039
13698415c
144470869
152ccb743
hex1f0856d

32540013 has 12 divisors (see below), whose sum is σ = 51275328. Its totient is φ = 19721160.

The previous prime is 32540003. The next prime is 32540017. The reversal of 32540013 is 31004523.

It is not a de Polignac number, because 32540013 - 25 = 32539981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32540017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164245 + ... + 164442.

It is an arithmetic number, because the mean of its divisors is an integer number (4272944).

Almost surely, 232540013 is an apocalyptic number.

32540013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

32540013 is a deficient number, since it is larger than the sum of its proper divisors (18735315).

32540013 is a wasteful number, since it uses less digits than its factorization.

32540013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328704 (or 328701 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32540013 is about 5704.3854182550. The cubic root of 32540013 is about 319.2561269479.

Adding to 32540013 its reverse (31004523), we get a palindrome (63544536).

It can be divided in two parts, 32 and 540013, that added together give a palindrome (540045).

The spelling of 32540013 in words is "thirty-two million, five hundred forty thousand, thirteen".

Divisors: 1 3 9 11 33 99 328687 986061 2958183 3615557 10846671 32540013