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1442051998 = 2907794957
BaseRepresentation
bin101010111110011…
…1111011110011110
310201111110211110021
41111330333132132
510423131130443
6355032102354
750510145142
oct12574773636
93644424407
101442051998
11680001012
12342b349ba
1319c9b330a
14d973b222
15868ee9ed
hex55f3f79e

1442051998 has 8 divisors (see below), whose sum is σ = 2165465592. Its totient is φ = 720230136.

The previous prime is 1442051983. The next prime is 1442052011. The reversal of 1442051998 is 8991502441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395665 + ... + 399292.

It is an arithmetic number, because the mean of its divisors is an integer number (270683199).

Almost surely, 21442051998 is an apocalyptic number.

1442051998 is a deficient number, since it is larger than the sum of its proper divisors (723413594).

1442051998 is an equidigital number, since it uses as much as digits as its factorization.

1442051998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795866.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1442051998 is about 37974.3597444381. The cubic root of 1442051998 is about 1129.7793700874.

The spelling of 1442051998 in words is "one billion, four hundred forty-two million, fifty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 907 1814 794957 1589914 721025999 1442051998