Search a number
-
+
2300203220 = 225789184607
BaseRepresentation
bin1000100100011010…
…0101000011010100
312221022020102121212
42021012211003110
514202323000340
61020125200552
7111000255560
oct21106450324
95838212555
102300203220
11a8044a7a7
12542400158
132a87167c3
1417b6c26a0
15d6e11a65
hex891a50d4

2300203220 has 48 divisors (see below), whose sum is σ = 5582545920. Its totient is φ = 779775744.

The previous prime is 2300203219. The next prime is 2300203223. The reversal of 2300203220 is 223020032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2300203195 and 2300203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300203223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79844 + ... + 104763.

It is an arithmetic number, because the mean of its divisors is an integer number (116303040).

Almost surely, 22300203220 is an apocalyptic number.

2300203220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300203220 is an abundant number, since it is smaller than the sum of its proper divisors (3282342700).

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

2300203220 is a wasteful number, since it uses less digits than its factorization.

2300203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184712 (or 184710 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2300203220 is about 47960.4339012899. The cubic root of 2300203220 is about 1320.0449977008.

Adding to 2300203220 its reverse (223020032), we get a palindrome (2523223252).

The spelling of 2300203220 in words is "two billion, three hundred million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 6230 12460 184607 369214 738428 923035 1292249 1846070 2584498 3692140 5168996 6461245 12922490 16430023 25844980 32860046 65720092 82150115 115010161 164300230 230020322 328600460 460040644 575050805 1150101610 2300203220