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3443244240 = 243529494719
BaseRepresentation
bin1100110100111011…
…1011110011010000
322212222001221010110
43031032323303100
524022432303430
61325400401320
7151220043642
oct31516736320
98788057113
103443244240
1115076923a7
12801176240
1342b487237
14249426892
1515244a7b0
hexcd3bbcd0

3443244240 has 80 divisors (see below), whose sum is σ = 11042150400. Its totient is φ = 886534656.

The previous prime is 3443244197. The next prime is 3443244241. The reversal of 3443244240 is 424423443.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 3443244198 and 3443244207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443244241) 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, 240400 + ... + 254319.

It is an arithmetic number, because the mean of its divisors is an integer number (138026880).

Almost surely, 23443244240 is an apocalyptic number.

3443244240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3443244240 is an abundant number, since it is smaller than the sum of its proper divisors (7598906160).

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

3443244240 is a wasteful number, since it uses less digits than its factorization.

3443244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494764 (or 494758 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 3443244240 is about 58679.1635932211. The cubic root of 3443244240 is about 1510.0428682478.

Adding to 3443244240 its reverse (424423443), we get a palindrome (3867667683).

The spelling of 3443244240 in words is "three billion, four hundred forty-three million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1160 1392 1740 2320 3480 6960 494719 989438 1484157 1978876 2473595 2968314 3957752 4947190 5936628 7420785 7915504 9894380 11873256 14346851 14841570 19788760 23746512 28693702 29683140 39577520 43040553 57387404 59366280 71734255 86081106 114774808 118732560 143468510 172162212 215202765 229549616 286937020 344324424 430405530 573874040 688648848 860811060 1147748080 1721622120 3443244240