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3449885040 = 243357832749
BaseRepresentation
bin1100110110100001…
…0001000101110000
322220102120022121000
43031220101011300
524031132310130
61330155002000
7151330352610
oct31550210560
98812508530
103449885040
111510408768
12803439300
1342c970ac4
1424a274a40
15152d0d260
hexcda11170

3449885040 has 320 divisors, whose sum is σ = 13749120000. Its totient is φ = 778761216.

The previous prime is 3449885029. The next prime is 3449885083. The reversal of 3449885040 is 405889443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1253586 + ... + 1256334.

It is an arithmetic number, because the mean of its divisors is an integer number (42966000).

Almost surely, 23449885040 is an apocalyptic number.

3449885040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3449885040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6874560000).

3449885040 is an abundant number, since it is smaller than the sum of its proper divisors (10299234960).

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

3449885040 is a wasteful number, since it uses less digits than its factorization.

3449885040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 3449885040 is about 58735.7220096936. The cubic root of 3449885040 is about 1511.0130243106.

The spelling of 3449885040 in words is "three billion, four hundred forty-nine million, eight hundred eighty-five thousand, forty".