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1233212025 = 35216442827
BaseRepresentation
bin100100110000001…
…0101001001111001
310011221111122212110
41021200111021321
510011200241100
6322212002533
742363062223
oct11140251171
93157448773
101233212025
115831304a1
122a5000449
13168652476
14b9ad7413
15733eb250
hex49815279

1233212025 has 12 divisors (see below), whose sum is σ = 2038910672. Its totient is φ = 657713040.

The previous prime is 1233211963. The next prime is 1233212027. The reversal of 1233212025 is 5202123321.

It is not a de Polignac number, because 1233212025 - 29 = 1233211513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233211992 and 1233212010.

It is not an unprimeable number, because it can be changed into a prime (1233212027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8221339 + ... + 8221488.

Almost surely, 21233212025 is an apocalyptic number.

1233212025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1233212025 is a deficient number, since it is larger than the sum of its proper divisors (805698647).

1233212025 is a wasteful number, since it uses less digits than its factorization.

1233212025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16442840 (or 16442835 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1233212025 is about 35117.1186887535. The cubic root of 1233212025 is about 1072.3731138025.

Adding to 1233212025 its reverse (5202123321), we get a palindrome (6435335346).

The spelling of 1233212025 in words is "one billion, two hundred thirty-three million, two hundred twelve thousand, twenty-five".

Divisors: 1 3 5 15 25 75 16442827 49328481 82214135 246642405 411070675 1233212025