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15230407 is a prime number
BaseRepresentation
bin111010000110…
…010111000111
31001122210012011
4322012113013
512344333112
61302235051
7243312343
oct72062707
931583164
1015230407
118662915
125125a87
13320349a
142046623
15150caa7
hexe865c7

15230407 has 2 divisors, whose sum is σ = 15230408. Its totient is φ = 15230406.

The previous prime is 15230389. The next prime is 15230441. The reversal of 15230407 is 70403251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15230407 - 27 = 15230279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15330407) 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 as a sum of consecutive naturals, namely, 7615203 + 7615204.

It is an arithmetic number, because the mean of its divisors is an integer number (7615204).

Almost surely, 215230407 is an apocalyptic number.

15230407 is a deficient number, since it is larger than the sum of its proper divisors (1).

15230407 is an equidigital number, since it uses as much as digits as its factorization.

15230407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 15230407 is about 3902.6154050841. The cubic root of 15230407 is about 247.8775355731.

Adding to 15230407 its reverse (70403251), we get a palindrome (85633658).

The spelling of 15230407 in words is "fifteen million, two hundred thirty thousand, four hundred seven".