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32000045 = 571183117
BaseRepresentation
bin111101000010…
…0100000101101
32020012202210212
41322010200231
531143000140
63101512205
7535665410
oct172044055
966182725
1032000045
1117077120
12a872665
13682544c
14436db77
152c21765
hex1e8482d

32000045 has 16 divisors (see below), whose sum is σ = 47875968. Its totient is φ = 19947840.

The previous prime is 32000011. The next prime is 32000053. The reversal of 32000045 is 54000023.

It is a de Polignac number, because none of the positive numbers 2k-32000045 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31999993 and 32000029.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 41174 + ... + 41943.

It is an arithmetic number, because the mean of its divisors is an integer number (2992248).

Almost surely, 232000045 is an apocalyptic number.

32000045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32000045 is a deficient number, since it is larger than the sum of its proper divisors (15875923).

32000045 is a wasteful number, since it uses less digits than its factorization.

32000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83140.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 32000045 is about 5656.8582269666. The cubic root of 32000045 is about 317.4803592124.

Adding to 32000045 its reverse (54000023), we get a palindrome (86000068).

The spelling of 32000045 in words is "thirty-two million, forty-five", and thus it is an aban number and an uban number.

Divisors: 1 5 7 11 35 55 77 385 83117 415585 581819 914287 2909095 4571435 6400009 32000045