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3144420420 = 2235223235009
BaseRepresentation
bin1011101101101100…
…0000110001000100
322010010210002220120
42323123000301010
522414432423140
61240003501540
7140631063321
oct27333006104
98103702816
103144420420
111373a41669
127390878b0
133b15ab8cb
1421b87bb48
151360c01d0
hexbb6c0c44

3144420420 has 48 divisors (see below), whose sum is σ = 8843896320. Its totient is φ = 834748416.

The previous prime is 3144420407. The next prime is 3144420473. The reversal of 3144420420 is 240244413.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104125 + ... + 130884.

It is an arithmetic number, because the mean of its divisors is an integer number (184247840).

Almost surely, 23144420420 is an apocalyptic number.

3144420420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3144420420 is an abundant number, since it is smaller than the sum of its proper divisors (5699475900).

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

3144420420 is a wasteful number, since it uses less digits than its factorization.

3144420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235244 (or 235242 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3144420420 is about 56075.1319213785. The cubic root of 3144420420 is about 1465.0311851003.

Adding to 3144420420 its reverse (240244413), we get a palindrome (3384664833).

The spelling of 3144420420 in words is "three billion, one hundred forty-four million, four hundred twenty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 223 446 669 892 1115 1338 2230 2676 3345 4460 6690 13380 235009 470018 705027 940036 1175045 1410054 2350090 2820108 3525135 4700180 7050270 14100540 52407007 104814014 157221021 209628028 262035035 314442042 524070070 628884084 786105105 1048140140 1572210210 3144420420