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501070085 = 5929107873
BaseRepresentation
bin11101110111011…
…011100100000101
31021220211222221022
4131313123210011
52011233220320
6121415400525
715263011505
oct3567334405
91256758838
10501070085
1123792840a
1211b983145
137ca6b199
144a793a05
152deca325
hex1dddb905

501070085 has 8 divisors (see below), whose sum is σ = 601936920. Its totient is φ = 400420864.

The previous prime is 501070049. The next prime is 501070093. The reversal of 501070085 is 580070105.

It can be written as a sum of positive squares in 4 ways, for example, as 55606849 + 445463236 = 7457^2 + 21106^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 501070085 - 216 = 501004549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 49292 + ... + 58581.

It is an arithmetic number, because the mean of its divisors is an integer number (75242115).

Almost surely, 2501070085 is an apocalyptic number.

It is an amenable number.

501070085 is a deficient number, since it is larger than the sum of its proper divisors (100866835).

501070085 is a wasteful number, since it uses less digits than its factorization.

501070085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108807.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 501070085 is about 22384.5948142914. The cubic root of 501070085 is about 794.2663405476.

The spelling of 501070085 in words is "five hundred one million, seventy thousand, eighty-five".

Divisors: 1 5 929 4645 107873 539365 100214017 501070085