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19441995 = 3541101313
BaseRepresentation
bin100101000101…
…0100101001011
31100120202101220
41022022211023
514434120440
61532413123
7324153126
oct112124513
940522356
1019441995
11aa7a071
1266171a3
134049451
1428213bd
151a908d0
hex128a94b

19441995 has 32 divisors (see below), whose sum is σ = 32284224. Its totient is φ = 9984000.

The previous prime is 19441963. The next prime is 19442009. The reversal of 19441995 is 59914491.

It is a happy number.

It is not a de Polignac number, because 19441995 - 25 = 19441963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61959 + ... + 62271.

It is an arithmetic number, because the mean of its divisors is an integer number (1008882).

Almost surely, 219441995 is an apocalyptic number.

19441995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19441995 is a deficient number, since it is larger than the sum of its proper divisors (12842229).

19441995 is a wasteful number, since it uses less digits than its factorization.

19441995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 58320, while the sum is 42.

The square root of 19441995 is about 4409.3077688000. The cubic root of 19441995 is about 268.8934824237.

The spelling of 19441995 in words is "nineteen million, four hundred forty-one thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 41 101 123 205 303 313 505 615 939 1515 1565 4141 4695 12423 12833 20705 31613 38499 62115 64165 94839 158065 192495 474195 1296133 3888399 6480665 19441995