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1420343492 = 223143266381
BaseRepresentation
bin101010010101000…
…1011100011000100
310122222121220222112
41110222023203010
510402101442432
6352534520152
750124502061
oct12452134304
93588556875
101420343492
116698240a7
12337806058
13198352349
14d68c9c68
1584a627b2
hex54a8b8c4

1420343492 has 24 divisors (see below), whose sum is σ = 2625460992. Its totient is φ = 671277600.

The previous prime is 1420343479. The next prime is 1420343497. The reversal of 1420343492 is 2943430241.

It is not an unprimeable number, because it can be changed into a prime (1420343497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127859 + ... + 138522.

It is an arithmetic number, because the mean of its divisors is an integer number (109394208).

Almost surely, 21420343492 is an apocalyptic number.

It is an amenable number.

1420343492 is a deficient number, since it is larger than the sum of its proper divisors (1205117500).

1420343492 is a wasteful number, since it uses less digits than its factorization.

1420343492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266459 (or 266457 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1420343492 is about 37687.4447528617. Note that the first 3 decimals coincide. The cubic root of 1420343492 is about 1124.0814868545.

The spelling of 1420343492 in words is "one billion, four hundred twenty million, three hundred forty-three thousand, four hundred ninety-two".

Divisors: 1 2 4 31 43 62 86 124 172 1333 2666 5332 266381 532762 1065524 8257811 11454383 16515622 22908766 33031244 45817532 355085873 710171746 1420343492