Search a number
-
+
2880468900 = 22325217892
BaseRepresentation
bin1010101110110000…
…0111011110100100
321102202002222111100
42223230013132210
521344400001100
61153454240100
7131244403341
oct25354073644
97382088440
102880468900
111248a49a11
126847b6030
1336b9c2b8a
141d47ad7c8
1511cd32400
hexabb077a4

2880468900 has 81 divisors (see below), whose sum is σ = 9033719331. Its totient is φ = 767695680.

The previous prime is 2880468887. The next prime is 2880468901. The reversal of 2880468900 is 98640882.

It is a happy number.

The square root of 2880468900 is 53670.

It is a perfect power (a square), and thus also a powerful number.

2880468900 is a `hidden beast` number, since 28 + 80 + 468 + 90 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 450373284 + 2430095616 = 21222^2 + 49296^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2880468901) 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 26 ways as a sum of consecutive naturals, for example, 1609206 + ... + 1610994.

Almost surely, 22880468900 is an apocalyptic number.

2880468900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2880468900 is the 53670-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2880468900

2880468900 is an abundant number, since it is smaller than the sum of its proper divisors (6153250431).

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

2880468900 is a wasteful number, since it uses less digits than its factorization.

2880468900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The cubic root of 2880468900 is about 1422.8345318314.

The spelling of 2880468900 in words is "two billion, eight hundred eighty million, four hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 1789 3578 5367 7156 8945 10734 16101 17890 21468 26835 32202 35780 44725 53670 64404 80505 89450 107340 134175 161010 178900 268350 322020 402525 536700 805050 1610100 3200521 6401042 9601563 12802084 16002605 19203126 28804689 32005210 38406252 48007815 57609378 64010420 80013025 96015630 115218756 144023445 160026050 192031260 240039075 288046890 320052100 480078150 576093780 720117225 960156300 1440234450 2880468900