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2500505300 = 225225005053
BaseRepresentation
bin1001010100001010…
…1010111011010100
320110021010211102102
42111002222323110
520110112132200
61052042301232
7115651641626
oct22502527324
96407124372
102500505300
111073519707
125994b7818
1330b078447
1419a142c16
15e97ca6d5
hex950aaed4

2500505300 has 18 divisors (see below), whose sum is σ = 5426096718. Its totient is φ = 1000202080.

The previous prime is 2500505297. The next prime is 2500505303. The reversal of 2500505300 is 35050052.

It is an interprime number because it is at equal distance from previous prime (2500505297) and next prime (2500505303).

It can be written as a sum of positive squares in 3 ways, for example, as 16679056 + 2483826244 = 4084^2 + 49838^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500505303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12502427 + ... + 12502626.

Almost surely, 22500505300 is an apocalyptic number.

2500505300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500505300 is an abundant number, since it is smaller than the sum of its proper divisors (2925591418).

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

2500505300 is a wasteful number, since it uses less digits than its factorization.

2500505300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25005067 (or 25005060 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2500505300 is about 50005.0527446977. The cubic root of 2500505300 is about 1357.3002418190.

Adding to 2500505300 its reverse (35050052), we get a palindrome (2535555352).

The spelling of 2500505300 in words is "two billion, five hundred million, five hundred five thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 25005053 50010106 100020212 125025265 250050530 500101060 625126325 1250252650 2500505300