Search a number
-
+
2503784125 = 5320030273
BaseRepresentation
bin1001010100111100…
…1011011010111101
320110111022102010101
42111033023122331
520111432043000
61052240441101
7116021546113
oct22517133275
96414272111
102503784125
111075359087
1259a619191
1330b95598b
1419a757ab3
15e9c26e6a
hex953cb6bd

2503784125 has 8 divisors (see below), whose sum is σ = 3124722744. Its totient is φ = 2003027200.

The previous prime is 2503784113. The next prime is 2503784137. The reversal of 2503784125 is 5214873052.

It is an interprime number because it is at equal distance from previous prime (2503784113) and next prime (2503784137).

It can be written as a sum of positive squares in 4 ways, for example, as 220760164 + 2283023961 = 14858^2 + 47781^2 .

It is not a de Polignac number, because 2503784125 - 25 = 2503784093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10015012 + ... + 10015261.

It is an arithmetic number, because the mean of its divisors is an integer number (390590343).

Almost surely, 22503784125 is an apocalyptic number.

2503784125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2503784125 is a deficient number, since it is larger than the sum of its proper divisors (620938619).

2503784125 is an equidigital number, since it uses as much as digits as its factorization.

2503784125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20030288 (or 20030278 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2503784125 is about 50037.8269412252. The cubic root of 2503784125 is about 1357.8932427863.

The spelling of 2503784125 in words is "two billion, five hundred three million, seven hundred eighty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 20030273 100151365 500756825 2503784125