Search a number
-
+
220702125 = 3537212011
BaseRepresentation
bin11010010011110…
…10010110101101
3120101021211101210
431021322112231
5422444432000
633522225033
75316636300
oct1511722655
9511254353
10220702125
11103642856
1261ab5179
1336955197
1421450b37
1514598350
hexd27a5ad

220702125 has 48 divisors (see below), whose sum is σ = 427242816. Its totient is φ = 100884000.

The previous prime is 220702103. The next prime is 220702127. The reversal of 220702125 is 521207022.

It is a happy number.

It is not a de Polignac number, because 220702125 - 26 = 220702061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220702127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12370 + ... + 24380.

It is an arithmetic number, because the mean of its divisors is an integer number (8900892).

Almost surely, 2220702125 is an apocalyptic number.

220702125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220702125 is a deficient number, since it is larger than the sum of its proper divisors (206540691).

220702125 is a wasteful number, since it uses less digits than its factorization.

220702125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043 (or 12026 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 220702125 is about 14856.0467487148. The cubic root of 220702125 is about 604.3226031630.

Adding to 220702125 its reverse (521207022), we get a palindrome (741909147).

The spelling of 220702125 in words is "two hundred twenty million, seven hundred two thousand, one hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 49 75 105 125 147 175 245 375 525 735 875 1225 2625 3675 6125 12011 18375 36033 60055 84077 180165 252231 300275 420385 588539 900825 1261155 1501375 1765617 2101925 2942695 4504125 6305775 8828085 10509625 14713475 31528875 44140425 73567375 220702125