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427130943 = 3142376981
BaseRepresentation
bin11001011101011…
…000000000111111
31002202201111111120
4121131120000333
51333321142233
6110214522023
713404360501
oct3135300077
91082644446
10427130943
111aa116888
12bb066313
136a650705
1440a27d71
15277724b3
hex1975803f

427130943 has 4 divisors (see below), whose sum is σ = 569507928. Its totient is φ = 284753960.

The previous prime is 427130897. The next prime is 427130969. The reversal of 427130943 is 349031724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427130943 - 220 = 426082367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427130443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71188488 + ... + 71188493.

It is an arithmetic number, because the mean of its divisors is an integer number (142376982).

Almost surely, 2427130943 is an apocalyptic number.

427130943 is a deficient number, since it is larger than the sum of its proper divisors (142376985).

427130943 is a wasteful number, since it uses less digits than its factorization.

427130943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142376984.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 427130943 is about 20667.1464648606. The cubic root of 427130943 is about 753.1017870935.

The spelling of 427130943 in words is "four hundred twenty-seven million, one hundred thirty thousand, nine hundred forty-three".

Divisors: 1 3 142376981 427130943