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3053350421 = 112136118541
BaseRepresentation
bin1011010111111110…
…0110111000010101
321212210102021100122
42311333212320111
522223124203141
61222551521325
7135444023162
oct26577467025
97783367318
103053350421
11132759a400
12712689245
13398773934
1420d733069
1512d0d164b
hexb5fe6e15

3053350421 has 12 divisors (see below), whose sum is σ = 3358809132. Its totient is φ = 2773584000.

The previous prime is 3053350411. The next prime is 3053350427. The reversal of 3053350421 is 1240533503.

It can be written as a sum of positive squares in 2 ways, for example, as 945255025 + 2108095396 = 30745^2 + 45914^2 .

It is a de Polignac number, because none of the positive numbers 2k-3053350421 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 (3053350427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155411 + ... + 173951.

It is an arithmetic number, because the mean of its divisors is an integer number (279900761).

Almost surely, 23053350421 is an apocalyptic number.

It is an amenable number.

3053350421 is a deficient number, since it is larger than the sum of its proper divisors (305458711).

3053350421 is a wasteful number, since it uses less digits than its factorization.

3053350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19924 (or 19913 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3053350421 is about 55257.1300467189. The cubic root of 3053350421 is about 1450.7487882054.

Adding to 3053350421 its reverse (1240533503), we get a palindrome (4293883924).

The spelling of 3053350421 in words is "three billion, fifty-three million, three hundred fifty thousand, four hundred twenty-one".

Divisors: 1 11 121 1361 14971 18541 164681 203951 2243461 25234301 277577311 3053350421