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14930669 = 131148513
BaseRepresentation
bin111000111101…
…001011101101
31001002120000202
4320331023231
512310240134
61252003245
7240623435
oct70751355
931076022
1014930669
1184786a6
125000525
133129c20
141da92c5
15149dd7e
hexe3d2ed

14930669 has 4 divisors (see below), whose sum is σ = 16079196. Its totient is φ = 13782144.

The previous prime is 14930659. The next prime is 14930681. The reversal of 14930669 is 96603941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 13053769 = 1370^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 14930669 - 212 = 14926573 is a prime.

It is a super-2 number, since 2×149306692 = 445849753575122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14930609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574244 + ... + 574269.

It is an arithmetic number, because the mean of its divisors is an integer number (4019799).

Almost surely, 214930669 is an apocalyptic number.

It is an amenable number.

14930669 is a deficient number, since it is larger than the sum of its proper divisors (1148527).

14930669 is a wasteful number, since it uses less digits than its factorization.

14930669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148526.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 14930669 is about 3864.0223860635. The cubic root of 14930669 is about 246.2406539609.

The spelling of 14930669 in words is "fourteen million, nine hundred thirty thousand, six hundred sixty-nine".

Divisors: 1 13 1148513 14930669