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14981597 is a prime number
BaseRepresentation
bin111001001001…
…100111011101
31001012010212222
4321021213131
512313402342
61253035125
7241225061
oct71114735
931163788
1014981597
118502994
125025aa5
133147167
141dbdaa1
1514aded2
hexe499dd

14981597 has 2 divisors, whose sum is σ = 14981598. Its totient is φ = 14981596.

The previous prime is 14981567. The next prime is 14981609. The reversal of 14981597 is 79518941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14661241 + 320356 = 3829^2 + 566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14981597 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 (14981507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7490798 + 7490799.

It is an arithmetic number, because the mean of its divisors is an integer number (7490799).

Almost surely, 214981597 is an apocalyptic number.

It is an amenable number.

14981597 is a deficient number, since it is larger than the sum of its proper divisors (1).

14981597 is an equidigital number, since it uses as much as digits as its factorization.

14981597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 14981597 is about 3870.6067999734. The cubic root of 14981597 is about 246.5203090459.

The spelling of 14981597 in words is "fourteen million, nine hundred eighty-one thousand, five hundred ninety-seven".