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15000053 is a prime number
BaseRepresentation
bin111001001110…
…000111110101
31001020002012112
4321032013311
512320000203
61253300405
7241332635
oct71160765
931202175
1015000053
118515842
125034705
133152693
141dc66c5
1514b46d8
hexe4e1f5

15000053 has 2 divisors, whose sum is σ = 15000054. Its totient is φ = 15000052.

The previous prime is 15000031. The next prime is 15000067. The reversal of 15000053 is 35000051.

It is an a-pointer prime, because the next prime (15000067) can be obtained adding 15000053 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14922769 + 77284 = 3863^2 + 278^2 .

It is a cyclic number.

It is not a de Polignac number, because 15000053 - 210 = 14999029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15000353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500026 + 7500027.

It is an arithmetic number, because the mean of its divisors is an integer number (7500027).

Almost surely, 215000053 is an apocalyptic number.

It is an amenable number.

15000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15000053 is an equidigital number, since it uses as much as digits as its factorization.

15000053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 15000053 is about 3872.9901884720. The cubic root of 15000053 is about 246.6214978977.

The spelling of 15000053 in words is "fifteen million, fifty-three", and thus it is an aban number and an uban number.