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123444241 = 734014217
BaseRepresentation
bin1110101101110…
…01110000010001
322121021121122221
413112321300101
5223100203431
620125501041
73026154514
oct726716021
9277247587
10123444241
1163754538
1235411781
131c76183b
1412574d7b
15ac86111
hex75b9c11

123444241 has 8 divisors (see below), whose sum is σ = 125477064. Its totient is φ = 121420800.

The previous prime is 123444227. The next prime is 123444253. The reversal of 123444241 is 142444321.

It can be written as a sum of positive squares in 4 ways, for example, as 86490000 + 36954241 = 9300^2 + 6079^2 .

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-123444241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123444281) 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, 27165 + ... + 31381.

It is an arithmetic number, because the mean of its divisors is an integer number (15684633).

Almost surely, 2123444241 is an apocalyptic number.

It is an amenable number.

123444241 is a deficient number, since it is larger than the sum of its proper divisors (2032823).

123444241 is an equidigital number, since it uses as much as digits as its factorization.

123444241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its digits is 3072, while the sum is 25.

The square root of 123444241 is about 11110.5463862044. The cubic root of 123444241 is about 497.9169888465.

Adding to 123444241 its reverse (142444321), we get a palindrome (265888562).

The spelling of 123444241 in words is "one hundred twenty-three million, four hundred forty-four thousand, two hundred forty-one".

Divisors: 1 73 401 4217 29273 307841 1691017 123444241