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32012131 = 196725147
BaseRepresentation
bin111101000011…
…1011101100011
32020020101101111
41322013131203
531143342011
63102044151
7536045554
oct172073543
966211344
1032012131
1117085208
12a879657
13682aab8
14437432b
152c25121
hex1e87763

32012131 has 8 divisors (see below), whose sum is σ = 34201280. Its totient is φ = 29873448.

The previous prime is 32012107. The next prime is 32012147. The reversal of 32012131 is 13121023.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32012131 is a prime.

It is a super-2 number, since 2×320121312 = 2049553062322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32012171) 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, 11301 + ... + 13846.

It is an arithmetic number, because the mean of its divisors is an integer number (4275160).

Almost surely, 232012131 is an apocalyptic number.

32012131 is a deficient number, since it is larger than the sum of its proper divisors (2189149).

32012131 is a wasteful number, since it uses less digits than its factorization.

32012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 32012131 is about 5657.9263869372. The cubic root of 32012131 is about 317.5203235797.

Adding to 32012131 its reverse (13121023), we get a palindrome (45133154).

The spelling of 32012131 in words is "thirty-two million, twelve thousand, one hundred thirty-one".

Divisors: 1 19 67 1273 25147 477793 1684849 32012131