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203254123 = 7910324979
BaseRepresentation
bin11000001110101…
…10100101101011
3112011110101020111
430013112211223
5404013112443
632100235151
75015426422
oct1407264553
9464411214
10203254123
11a4805916
125809bab7
1333156517
141cdcc2b9
1512c9d69d
hexc1d696b

203254123 has 8 divisors (see below), whose sum is σ = 207833600. Its totient is φ = 198724968.

The previous prime is 203254111. The next prime is 203254141. The reversal of 203254123 is 321452302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203254123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203254094 and 203254103.

It is not an unprimeable number, because it can be changed into a prime (203254423) 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, 4353 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (25979200).

Almost surely, 2203254123 is an apocalyptic number.

203254123 is a deficient number, since it is larger than the sum of its proper divisors (4579477).

203254123 is a wasteful number, since it uses less digits than its factorization.

203254123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25161.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 203254123 is about 14256.7220285730. The cubic root of 203254123 is about 587.9582040648.

The spelling of 203254123 in words is "two hundred three million, two hundred fifty-four thousand, one hundred twenty-three".

Divisors: 1 79 103 8137 24979 1973341 2572837 203254123