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50207485 = 510041497
BaseRepresentation
bin1011111110000…
…1101011111101
310111110210201111
42333201223331
5100323114420
64552042021
71146520336
oct277415375
9114423644
1050207485
1126382699
1214993311
13a52b993
14694d28d
15461b45a
hex2fe1afd

50207485 has 4 divisors (see below), whose sum is σ = 60248988. Its totient is φ = 40165984.

The previous prime is 50207473. The next prime is 50207537. The reversal of 50207485 is 58470205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58470205 = 511694041.

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 37491129 = 3566^2 + 6123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50207485 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020744 + ... + 5020753.

It is an arithmetic number, because the mean of its divisors is an integer number (15062247).

Almost surely, 250207485 is an apocalyptic number.

It is an amenable number.

50207485 is a deficient number, since it is larger than the sum of its proper divisors (10041503).

50207485 is a wasteful number, since it uses less digits than its factorization.

50207485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041502.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 50207485 is about 7085.7240279311. The cubic root of 50207485 is about 368.9120341231.

The spelling of 50207485 in words is "fifty million, two hundred seven thousand, four hundred eighty-five".

Divisors: 1 5 10041497 50207485