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15062989 is a prime number
BaseRepresentation
bin111001011101…
…011111001101
31001100021112111
4321131133031
512324003424
61254504021
7242014264
oct71353715
931307474
1015062989
118559057
125065011
133175216
1420015db
1514c8194
hexe5d7cd

15062989 has 2 divisors, whose sum is σ = 15062990. Its totient is φ = 15062988.

The previous prime is 15062987. The next prime is 15063011. The reversal of 15062989 is 98926051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10778089 + 4284900 = 3283^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 15062989 - 21 = 15062987 is a prime.

It is a super-2 number, since 2×150629892 = 453787275228242, which contains 22 as substring.

Together with 15062987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15062987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7531494 + 7531495.

It is an arithmetic number, because the mean of its divisors is an integer number (7531495).

Almost surely, 215062989 is an apocalyptic number.

It is an amenable number.

15062989 is a deficient number, since it is larger than the sum of its proper divisors (1).

15062989 is an equidigital number, since it uses as much as digits as its factorization.

15062989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 15062989 is about 3881.1066720718. The cubic root of 15062989 is about 246.9659347536.

The spelling of 15062989 in words is "fifteen million, sixty-two thousand, nine hundred eighty-nine".