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50505007 = 77215001
BaseRepresentation
bin1100000010101…
…0010100101111
310112000220211211
43000222110233
5100412130012
65002255251
71152166630
oct300522457
9115026754
1050505007
1126566183
1214ab7527
13a604227
1469c9887
1546796a7
hex302a52f

50505007 has 4 divisors (see below), whose sum is σ = 57720016. Its totient is φ = 43290000.

The previous prime is 50504999. The next prime is 50505017. The reversal of 50505007 is 70050505.

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

It is a cyclic number.

It is not a de Polignac number, because 50505007 - 23 = 50504999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505017) 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, 3607494 + ... + 3607507.

It is an arithmetic number, because the mean of its divisors is an integer number (14430004).

Almost surely, 250505007 is an apocalyptic number.

50505007 is a deficient number, since it is larger than the sum of its proper divisors (7215009).

50505007 is an equidigital number, since it uses as much as digits as its factorization.

50505007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215008.

The product of its (nonzero) digits is 875, while the sum is 22.

The square root of 50505007 is about 7106.6874843347. The cubic root of 50505007 is about 369.6393051743.

The spelling of 50505007 in words is "fifty million, five hundred five thousand, seven".

Divisors: 1 7 7215001 50505007