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2300538220 = 225389295699
BaseRepresentation
bin1000100100011111…
…0110110101101100
312221022212110011021
42021013312311230
514202414210340
61020140303524
7111003152341
oct21107666554
95838773137
102300538220
11a80659462
12542541ba4
132a8803126
1417b76c7c8
15d6e7ae4a
hex891f6d6c

2300538220 has 24 divisors (see below), whose sum is σ = 4843566000. Its totient is φ = 917846592.

The previous prime is 2300538211. The next prime is 2300538263. The reversal of 2300538220 is 228350032.

It is a super-2 number, since 2×23005382202 = 10584952203361536800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140070 + ... + 155629.

It is an arithmetic number, because the mean of its divisors is an integer number (201815250).

Almost surely, 22300538220 is an apocalyptic number.

2300538220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300538220 is an abundant number, since it is smaller than the sum of its proper divisors (2543027780).

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

2300538220 is a wasteful number, since it uses less digits than its factorization.

2300538220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296097 (or 296095 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2300538220 is about 47963.9262362872. The cubic root of 2300538220 is about 1320.1090780690.

Adding to 2300538220 its reverse (228350032), we get a palindrome (2528888252).

The spelling of 2300538220 in words is "two billion, three hundred million, five hundred thirty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 295699 591398 1182796 1478495 2956990 5913980 115026911 230053822 460107644 575134555 1150269110 2300538220