Search a number
-
+
2303003220 = 223575483341
BaseRepresentation
bin1000100101000101…
…0000101001010100
312221111111200111120
42021101100221110
514204032100340
61020305203540
7111033130050
oct21121205124
95844450446
102303003220
11a81a92451
125433305b0
132a91870cb
1417bc10c60
15d72b64d0
hex89450a54

2303003220 has 48 divisors (see below), whose sum is σ = 7369611648. Its totient is φ = 526400640.

The previous prime is 2303003191. The next prime is 2303003273. The reversal of 2303003220 is 223003032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2303003220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2741251 + ... + 2742090.

It is an arithmetic number, because the mean of its divisors is an integer number (153533576).

Almost surely, 22303003220 is an apocalyptic number.

2303003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303003220 is an abundant number, since it is smaller than the sum of its proper divisors (5066608428).

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

2303003220 is a wasteful number, since it uses less digits than its factorization.

2303003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483360 (or 5483358 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 2303003220 is about 47989.6157517436. The cubic root of 2303003220 is about 1320.5804036206.

Adding to 2303003220 its reverse (223003032), we get a palindrome (2526006252).

The spelling of 2303003220 in words is "two billion, three hundred three million, three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 5483341 10966682 16450023 21933364 27416705 32900046 38383387 54833410 65800092 76766774 82250115 109666820 115150161 153533548 164500230 191916935 230300322 329000460 383833870 460600644 575750805 767667740 1151501610 2303003220