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3445552240 = 245139973323
BaseRepresentation
bin1100110101011110…
…1111010001110000
322220010102012002221
43031113233101300
524024030132430
61325522050424
7151245465544
oct31527572160
98803365087
103445552240
111508a19439
12801aa9a14
1342bab4910
14249867a24
1515275457a
hexcd5ef470

3445552240 has 80 divisors (see below), whose sum is σ = 8638384608. Its totient is φ = 1270545408.

The previous prime is 3445552199. The next prime is 3445552241. The reversal of 3445552240 is 422555443.

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

It is a junction number, because it is equal to n+sod(n) for n = 3445552196 and 3445552205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445552241) 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, 1035219 + ... + 1038541.

Almost surely, 23445552240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3445552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4319192304).

3445552240 is an abundant number, since it is smaller than the sum of its proper divisors (5192832368).

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

3445552240 is a wasteful number, since it uses less digits than its factorization.

3445552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346 (or 4340 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 3445552240 is about 58698.8265640805. The cubic root of 3445552240 is about 1510.3801858359.

The spelling of 3445552240 in words is "three billion, four hundred forty-five million, five hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 997 1040 1994 3323 3988 4985 6646 7976 9970 12961 13292 15952 16615 19940 25922 26584 33230 39880 43199 51844 53168 64805 66460 79760 86398 103688 129610 132920 172796 207376 215995 259220 265840 345592 431990 518440 691184 863980 1036880 1727960 3313031 3455920 6626062 13252124 16565155 26504248 33130310 43069403 53008496 66260620 86138806 132521240 172277612 215347015 265042480 344555224 430694030 689110448 861388060 1722776120 3445552240