206715054 has 48 divisors (see below), whose sum is σ = 511650432. Its totient is φ = 54516384.

The previous prime is 206715013. The next prime is 206715059. The reversal of 206715054 is 450517602.

It is a super-3 number, since 3×206715054³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206715059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7464 + ... + 21659.

It is an arithmetic number, because the mean of its divisors is an integer number (10659384).

Almost surely, 2^206715054 is an apocalyptic number.

206715054 is an abundant number, since it is smaller than the sum of its proper divisors (304935378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206715054 is a wasteful number, since it uses less digits than its factorization.

206715054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29161 (or 29148 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 206715054 is about 14377.5886017093. The cubic root of 206715054 is about 591.2766133074.

The spelling of 206715054 in words is "two hundred six million, seven hundred fifteen thousand, fifty-four".