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1441990 = 251113109
BaseRepresentation
bin101100000000011000110
32201021001001
411200003012
5332120430
650523514
715154024
oct5400306
92637031
101441990
118a5430
1259659a
133b6464
14297714
151d73ca
hex1600c6

1441990 has 16 divisors (see below), whose sum is σ = 2831760. Its totient is φ = 524320.

The previous prime is 1441981. The next prime is 1442003. The reversal of 1441990 is 991441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445 + ... + 6664.

It is an arithmetic number, because the mean of its divisors is an integer number (176985).

21441990 is an apocalyptic number.

1441990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1441990 is a deficient number, since it is larger than the sum of its proper divisors (1389770).

1441990 is a wasteful number, since it uses less digits than its factorization.

1441990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1441990 is about 1200.8288803989. The cubic root of 1441990 is about 112.9763179024.

The spelling of 1441990 in words is "one million, four hundred forty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 13109 26218 65545 131090 144199 288398 720995 1441990