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3240342420 = 223577715101
BaseRepresentation
bin1100000100100011…
…1011001110010100
322100211021110011020
43001020323032110
523114011424140
61253311441140
7143204312310
oct30110731624
98324243136
103240342420
1114130a8247
127652261b0
133c84251a3
1422a4cab40
1513e71b6d0
hexc123b394

3240342420 has 48 divisors (see below), whose sum is σ = 10369097088. Its totient is φ = 740649600.

The previous prime is 3240342397. The next prime is 3240342421. The reversal of 3240342420 is 242430423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240342421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3857131 + ... + 3857970.

It is an arithmetic number, because the mean of its divisors is an integer number (216022856).

Almost surely, 23240342420 is an apocalyptic number.

3240342420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3240342420 is an abundant number, since it is smaller than the sum of its proper divisors (7128754668).

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

3240342420 is a wasteful number, since it uses less digits than its factorization.

3240342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715120 (or 7715118 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 3240342420 is about 56924.0056566647. The cubic root of 3240342420 is about 1479.7793711779.

Adding to 3240342420 its reverse (242430423), we get a palindrome (3482772843).

The spelling of 3240342420 in words is "three billion, two hundred forty million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 7715101 15430202 23145303 30860404 38575505 46290606 54005707 77151010 92581212 108011414 115726515 154302020 162017121 216022828 231453030 270028535 324034242 462906060 540057070 648068484 810085605 1080114140 1620171210 3240342420