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1444342198 = 21355551623
BaseRepresentation
bin101011000010110…
…1110100110110110
310201122210012000111
41112011232212312
510424222422243
6355153133234
750535464125
oct12605564666
93648705014
101444342198
11681325742
1234385a21a
131a0305870
14d9b75abc
1586c0339d
hex5616e9b6

1444342198 has 8 divisors (see below), whose sum is σ = 2333168208. Its totient is φ = 666619464.

The previous prime is 1444342183. The next prime is 1444342231. The reversal of 1444342198 is 8912434441.

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

It is a super-2 number, since 2×14443421982 = 4172248769846942408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1444342198.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27775786 + ... + 27775837.

It is an arithmetic number, because the mean of its divisors is an integer number (291646026).

Almost surely, 21444342198 is an apocalyptic number.

1444342198 is a deficient number, since it is larger than the sum of its proper divisors (888826010).

1444342198 is a wasteful number, since it uses less digits than its factorization.

1444342198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551638.

The product of its digits is 110592, while the sum is 40.

The square root of 1444342198 is about 38004.5023385388. The cubic root of 1444342198 is about 1130.3771414539.

The spelling of 1444342198 in words is "one billion, four hundred forty-four million, three hundred forty-two thousand, one hundred ninety-eight".

Divisors: 1 2 13 26 55551623 111103246 722171099 1444342198