Search a number
-
+
220342325 = 5271259099
BaseRepresentation
bin11010010001000…
…10100000110101
3120100121112211212
431020202200311
5422401423300
633510411205
75313610310
oct1510424065
9510545755
10220342325
111034174a5
1261960b05
133685a498
1421399977
1514526935
hexd222835

220342325 has 12 divisors (see below), whose sum is σ = 312256800. Its totient is φ = 151091760.

The previous prime is 220342303. The next prime is 220342337. The reversal of 220342325 is 523243022.

It is not a de Polignac number, because 220342325 - 222 = 216148021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220342325.

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 11 ways as a sum of consecutive naturals, for example, 629375 + ... + 629724.

It is an arithmetic number, because the mean of its divisors is an integer number (26021400).

Almost surely, 2220342325 is an apocalyptic number.

220342325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220342325 is a deficient number, since it is larger than the sum of its proper divisors (91914475).

220342325 is a wasteful number, since it uses less digits than its factorization.

220342325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259116 (or 1259111 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 220342325 is about 14843.9322620389. The cubic root of 220342325 is about 603.9940252395.

Adding to 220342325 its reverse (523243022), we get a palindrome (743585347).

The spelling of 220342325 in words is "two hundred twenty million, three hundred forty-two thousand, three hundred twenty-five".

Divisors: 1 5 7 25 35 175 1259099 6295495 8813693 31477475 44068465 220342325