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3144430320 = 243534673779
BaseRepresentation
bin1011101101101100…
…0011001011110000
322010010210121111020
42323123003023300
522414433232240
61240004015440
7140631134223
oct27333031360
98103717436
103144430320
111373a49049
12739091580
133b15b3275
1421b8815ba
151360c30d0
hexbb6c32f0

3144430320 has 80 divisors (see below), whose sum is σ = 9753125760. Its totient is φ = 838051072.

The previous prime is 3144430319. The next prime is 3144430351. The reversal of 3144430320 is 230344413.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 830191 + ... + 833969.

It is an arithmetic number, because the mean of its divisors is an integer number (121914072).

Almost surely, 23144430320 is an apocalyptic number.

3144430320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3144430320 is an abundant number, since it is smaller than the sum of its proper divisors (6608695440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3144430320 is a wasteful number, since it uses less digits than its factorization.

3144430320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3144430320 is about 56075.2201957335. The cubic root of 3144430320 is about 1465.0327226167.

Adding to 3144430320 its reverse (230344413), we get a palindrome (3374774733).

The spelling of 3144430320 in words is "three billion, one hundred forty-four million, four hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 3467 3779 6934 7558 10401 11337 13868 15116 17335 18895 20802 22674 27736 30232 34670 37790 41604 45348 52005 55472 56685 60464 69340 75580 83208 90696 104010 113370 138680 151160 166416 181392 208020 226740 277360 302320 416040 453480 832080 906960 13101793 26203586 39305379 52407172 65508965 78610758 104814344 131017930 157221516 196526895 209628688 262035860 314443032 393053790 524071720 628886064 786107580 1048143440 1572215160 3144430320