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1225234435 = 5245046887
BaseRepresentation
bin100100100000111…
…1001100000000011
310011101111100200011
41021001321200003
510002130000220
6321325005351
742235215025
oct11101714003
93141440604
101225234435
11579681847
122a23b3857
13166abb2b9
14b8a1c015
157287265a
hex49079803

1225234435 has 4 divisors (see below), whose sum is σ = 1470281328. Its totient is φ = 980187544.

The previous prime is 1225234327. The next prime is 1225234441. The reversal of 1225234435 is 5344325221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5344325221 = 18012967421.

It is a cyclic number.

It is not a de Polignac number, because 1225234435 - 211 = 1225232387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225234397 and 1225234406.

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 3 ways as a sum of consecutive naturals, for example, 122523439 + ... + 122523448.

It is an arithmetic number, because the mean of its divisors is an integer number (367570332).

Almost surely, 21225234435 is an apocalyptic number.

1225234435 is a deficient number, since it is larger than the sum of its proper divisors (245046893).

1225234435 is an equidigital number, since it uses as much as digits as its factorization.

1225234435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245046892.

The product of its digits is 28800, while the sum is 31.

The square root of 1225234435 is about 35003.3489112113. The cubic root of 1225234435 is about 1070.0557326780.

Adding to 1225234435 its reverse (5344325221), we get a palindrome (6569559656).

The spelling of 1225234435 in words is "one billion, two hundred twenty-five million, two hundred thirty-four thousand, four hundred thirty-five".

Divisors: 1 5 245046887 1225234435