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4140145450 = 252725514637
BaseRepresentation
bin1111011011000101…
…1001101100101010
3101200112102011212101
43312301121230222
531434334123300
61522453404014
7204411440620
oct36661315452
911615364771
104140145450
111835005611
1297663960a
1350c98000c
142b3bd5510
15193709b6a
hexf6c59b2a

4140145450 has 48 divisors (see below), whose sum is σ = 8806114944. Its totient is φ = 1418616000.

The previous prime is 4140145423. The next prime is 4140145453. The reversal of 4140145450 is 545410414.

It is not an unprimeable number, because it can be changed into a prime (4140145453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890532 + ... + 895168.

It is an arithmetic number, because the mean of its divisors is an integer number (183460728).

Almost surely, 24140145450 is an apocalyptic number.

4140145450 is an abundant number, since it is smaller than the sum of its proper divisors (4665969494).

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

4140145450 is a wasteful number, since it uses less digits than its factorization.

4140145450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4140145450 is about 64343.9620321907. The cubic root of 4140145450 is about 1605.7275777863.

Adding to 4140145450 its reverse (545410414), we get a palindrome (4685555864).

The spelling of 4140145450 in words is "four billion, one hundred forty million, one hundred forty-five thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 2551 4637 5102 9274 12755 17857 23185 25510 32459 35714 46370 63775 64918 89285 115925 127550 162295 178570 231850 324590 446425 811475 892850 1622950 11828987 23657974 59144935 82802909 118289870 165605818 295724675 414014545 591449350 828029090 2070072725 4140145450