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4025102500 = 225419101839
BaseRepresentation
bin1110111111101010…
…0011000010100100
3101101111221101121101
43233322203002210
531220411240000
61503223525444
7201513543466
oct35772430244
911344841541
104025102500
11178607a0a1
12943bb9884
134c1ba0473
142a280a136
15188582e6a
hexefea30a4

4025102500 has 120 divisors (see below), whose sum is σ = 9368251200. Its totient is φ = 1508400000.

The previous prime is 4025102489. The next prime is 4025102503. The reversal of 4025102500 is 52015204.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (4025102503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4797081 + ... + 4797919.

It is an arithmetic number, because the mean of its divisors is an integer number (78068760).

Almost surely, 24025102500 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 4025102500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684125600).

4025102500 is an abundant number, since it is smaller than the sum of its proper divisors (5343148700).

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

4025102500 is a wasteful number, since it uses less digits than its factorization.

4025102500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4025102500 is about 63443.6955102712. The cubic root of 4025102500 is about 1590.7147742878.

Adding to 4025102500 its reverse (52015204), we get a palindrome (4077117704).

The spelling of 4025102500 in words is "four billion, twenty-five million, one hundred two thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 101 125 190 202 250 380 404 475 500 505 625 839 950 1010 1250 1678 1900 1919 2020 2375 2500 2525 3356 3838 4195 4750 5050 7676 8390 9500 9595 10100 11875 12625 15941 16780 19190 20975 23750 25250 31882 38380 41950 47500 47975 50500 63125 63764 79705 83900 84739 95950 104875 126250 159410 169478 191900 209750 239875 252500 318820 338956 398525 419500 423695 479750 524375 797050 847390 959500 1048750 1199375 1594100 1610041 1694780 1992625 2097500 2118475 2398750 3220082 3985250 4236950 4797500 6440164 7970500 8050205 8473900 9963125 10592375 16100410 19926250 21184750 32200820 39852500 40251025 42369500 52961875 80502050 105923750 161004100 201255125 211847500 402510250 805020500 1006275625 2012551250 4025102500