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112430621 is a prime number
BaseRepresentation
bin1101011001110…
…00111000011101
321211120001211002
412230320320131
5212240234441
615053440045
72533434032
oct654707035
9254501732
10112430621
1158511876
12317a0025
131a3a67c4
1410d09389
159d0cb9b
hex6b38e1d

112430621 has 2 divisors, whose sum is σ = 112430622. Its totient is φ = 112430620.

The previous prime is 112430609. The next prime is 112430641. The reversal of 112430621 is 126034211.

It is an a-pointer prime, because the next prime (112430641) can be obtained adding 112430621 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 35868121 = 8750^2 + 5989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112430621 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112430593 and 112430602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112430641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56215310 + 56215311.

It is an arithmetic number, because the mean of its divisors is an integer number (56215311).

Almost surely, 2112430621 is an apocalyptic number.

It is an amenable number.

112430621 is a deficient number, since it is larger than the sum of its proper divisors (1).

112430621 is an equidigital number, since it uses as much as digits as its factorization.

112430621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 112430621 is about 10603.3306559779. The cubic root of 112430621 is about 482.6454353212.

Adding to 112430621 its reverse (126034211), we get a palindrome (238464832).

The spelling of 112430621 in words is "one hundred twelve million, four hundred thirty thousand, six hundred twenty-one".