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32144893 = 117340031
BaseRepresentation
bin111101010011…
…1110111111101
32020111010111121
41322213313331
531212114033
63104550541
7540140614
oct172476775
966433447
1032144893
1117165a30
12a922451
136876361
1443aa87b
152c4e62d
hex1ea7dfd

32144893 has 8 divisors (see below), whose sum is σ = 35548416. Its totient is φ = 28821600.

The previous prime is 32144887. The next prime is 32144921. The reversal of 32144893 is 39844123.

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-32144893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32144803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19213 + ... + 20818.

It is an arithmetic number, because the mean of its divisors is an integer number (4443552).

Almost surely, 232144893 is an apocalyptic number.

It is an amenable number.

32144893 is a deficient number, since it is larger than the sum of its proper divisors (3403523).

32144893 is a wasteful number, since it uses less digits than its factorization.

32144893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40115.

The product of its digits is 20736, while the sum is 34.

The square root of 32144893 is about 5669.6466380190. The cubic root of 32144893 is about 317.9586625328.

The spelling of 32144893 in words is "thirty-two million, one hundred forty-four thousand, eight hundred ninety-three".

Divisors: 1 11 73 803 40031 440341 2922263 32144893