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4145242000 = 245310120521
BaseRepresentation
bin1111011100010011…
…0101111110010000
3101200220000010000111
43313010311332100
531442140221000
61523154531104
7204502655434
oct36704657620
911626003014
104145242000
111837976739
12978296a94
13510a45a23
142b47609c4
15193db4cba
hexf7135f90

4145242000 has 80 divisors (see below), whose sum is σ = 10122927984. Its totient is φ = 1641600000.

The previous prime is 4145241977. The next prime is 4145242021. The reversal of 4145242000 is 2425414.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 232989696 + 3912252304 = 15264^2 + 62548^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191740 + ... + 212260.

Almost surely, 24145242000 is an apocalyptic number.

4145242000 is a gapful number since it is divisible by the number (40) 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 4145242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5061463992).

4145242000 is an abundant number, since it is smaller than the sum of its proper divisors (5977685984).

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

4145242000 is a wasteful number, since it uses less digits than its factorization.

4145242000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645 (or 20629 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4145242000 is about 64383.5538006407. The cubic root of 4145242000 is about 1606.3861951567.

Adding to 4145242000 its reverse (2425414), we get a palindrome (4147667414).

The spelling of 4145242000 in words is "four billion, one hundred forty-five million, two hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 101 125 200 202 250 400 404 500 505 808 1000 1010 1616 2000 2020 2525 4040 5050 8080 10100 12625 20200 20521 25250 40400 41042 50500 82084 101000 102605 164168 202000 205210 328336 410420 513025 820840 1026050 1641680 2052100 2072621 2565125 4104200 4145242 5130250 8208400 8290484 10260500 10363105 16580968 20521000 20726210 33161936 41042000 41452420 51815525 82904840 103631050 165809680 207262100 259077625 414524200 518155250 829048400 1036310500 2072621000 4145242000