Search a number
-
+
1225352235 = 3581690149
BaseRepresentation
bin100100100001001…
…0110010000101011
310011101201100021010
41021002112100223
510002142232420
6321331315003
742236215332
oct11102262053
93141640233
101225352235
115797522a8
122a244ba63
13166b2cac3
14b8a4cd19
15728974e0
hex4909642b

1225352235 has 8 divisors (see below), whose sum is σ = 1960563600. Its totient is φ = 653521184.

The previous prime is 1225352203. The next prime is 1225352239. The reversal of 1225352235 is 5322535221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225352235 - 25 = 1225352203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225352239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40845060 + ... + 40845089.

It is an arithmetic number, because the mean of its divisors is an integer number (245070450).

Almost surely, 21225352235 is an apocalyptic number.

1225352235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225352235 is a deficient number, since it is larger than the sum of its proper divisors (735211365).

1225352235 is an equidigital number, since it uses as much as digits as its factorization.

1225352235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81690157.

The product of its digits is 18000, while the sum is 30.

The square root of 1225352235 is about 35005.0315669048. The cubic root of 1225352235 is about 1070.0900250339.

Adding to 1225352235 its reverse (5322535221), we get a palindrome (6547887456).

The spelling of 1225352235 in words is "one billion, two hundred twenty-five million, three hundred fifty-two thousand, two hundred thirty-five".

Divisors: 1 3 5 15 81690149 245070447 408450745 1225352235