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505052051 = 7718710039
BaseRepresentation
bin11110000110100…
…111101110010011
31022012100022011112
4132012213232103
52013243131201
6122041003535
715341604650
oct3606475623
91265308145
10505052051
1123a0a8099
121211835ab
138083378a
144b10cc27
152e5150bb
hex1e1a7b93

505052051 has 8 divisors (see below), whose sum is σ = 577340160. Its totient is φ = 432798408.

The previous prime is 505052027. The next prime is 505052057. The reversal of 505052051 is 150250505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-505052051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505052057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45290 + ... + 55328.

It is an arithmetic number, because the mean of its divisors is an integer number (72167520).

Almost surely, 2505052051 is an apocalyptic number.

505052051 is a deficient number, since it is larger than the sum of its proper divisors (72288109).

505052051 is a wasteful number, since it uses less digits than its factorization.

505052051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 505052051 is about 22473.3631439533. The cubic root of 505052051 is about 796.3647830801.

The spelling of 505052051 in words is "five hundred five million, fifty-two thousand, fifty-one".

Divisors: 1 7 7187 10039 50309 70273 72150293 505052051