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123425245 = 5231073263
BaseRepresentation
bin1110101101101…
…01000111011101
322121020122121101
413112311013131
5223044101440
620125233101
73026045236
oct726650735
9277218541
10123425245
1163741239
1235402791
131c755cb8
141256c08d
15ac8069a
hex75b51dd

123425245 has 8 divisors (see below), whose sum is σ = 154550016. Its totient is φ = 94447056.

The previous prime is 123425213. The next prime is 123425251. The reversal of 123425245 is 542524321.

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 123425245 - 25 = 123425213 is a prime.

It is a super-2 number, since 2×1234252452 = 30467582206620050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536517 + ... + 536746.

It is an arithmetic number, because the mean of its divisors is an integer number (19318752).

Almost surely, 2123425245 is an apocalyptic number.

It is an amenable number.

123425245 is a deficient number, since it is larger than the sum of its proper divisors (31124771).

123425245 is a wasteful number, since it uses less digits than its factorization.

123425245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073291.

The product of its digits is 9600, while the sum is 28.

The square root of 123425245 is about 11109.6914898660. The cubic root of 123425245 is about 497.8914471761.

Adding to 123425245 its reverse (542524321), we get a palindrome (665949566).

The spelling of 123425245 in words is "one hundred twenty-three million, four hundred twenty-five thousand, two hundred forty-five".

Divisors: 1 5 23 115 1073263 5366315 24685049 123425245