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1423430994 = 23257923107
BaseRepresentation
bin101010011010111…
…1101010101010010
310200012102210020110
41110311331111102
510403344242434
6353125022150
750162651406
oct12465752522
93605383213
101423430994
11670542857
12338854956
13198b9377b
14d7091106
1584e724e9
hex54d7d552

1423430994 has 16 divisors (see below), whose sum is σ = 2857942368. Its totient is φ = 472630272.

The previous prime is 1423430977. The next prime is 1423431001. The reversal of 1423430994 is 4990343241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460012 + ... + 463095.

It is an arithmetic number, because the mean of its divisors is an integer number (178621398).

Almost surely, 21423430994 is an apocalyptic number.

1423430994 is an abundant number, since it is smaller than the sum of its proper divisors (1434511374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423430994 is a wasteful number, since it uses less digits than its factorization.

1423430994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923369.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1423430994 is about 37728.3844605093. The cubic root of 1423430994 is about 1124.8953961013.

The spelling of 1423430994 in words is "one billion, four hundred twenty-three million, four hundred thirty thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 257 514 771 1542 923107 1846214 2769321 5538642 237238499 474476998 711715497 1423430994