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15412069 is a prime number
BaseRepresentation
bin111010110010…
…101101100101
31002000000101101
4322302231211
512421141234
61310200101
7245000101
oct72625545
932000341
1015412069
118777352
1251b3031
13326808a
142092901
151546814
hexeb2b65

15412069 has 2 divisors, whose sum is σ = 15412070. Its totient is φ = 15412068.

The previous prime is 15412057. The next prime is 15412087. The reversal of 15412069 is 96021451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14915044 + 497025 = 3862^2 + 705^2 .

It is a cyclic number.

It is not a de Polignac number, because 15412069 - 223 = 7023461 is a prime.

It is a super-2 number, since 2×154120692 = 475063741721522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15412009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706034 + 7706035.

It is an arithmetic number, because the mean of its divisors is an integer number (7706035).

Almost surely, 215412069 is an apocalyptic number.

It is an amenable number.

15412069 is a deficient number, since it is larger than the sum of its proper divisors (1).

15412069 is an equidigital number, since it uses as much as digits as its factorization.

15412069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 15412069 is about 3925.8208058952. The cubic root of 15412069 is about 248.8591699460.

The spelling of 15412069 in words is "fifteen million, four hundred twelve thousand, sixty-nine".