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50430253 = 102149393
BaseRepresentation
bin1100000001100…
…0000100101101
310111220010022011
43000120010231
5100402232003
65000521221
71151435656
oct300300455
9114803264
1050430253
1126514aa5
1214a80211
13a5a91b3
1469aa52d
15466246d
hex301812d

50430253 has 4 divisors (see below), whose sum is σ = 50480668. Its totient is φ = 50379840.

The previous prime is 50430239. The next prime is 50430257. The reversal of 50430253 is 35203405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 14645929 = 5982^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 50430253 - 25 = 50430221 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 (50430257) 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, 23676 + ... + 25717.

It is an arithmetic number, because the mean of its divisors is an integer number (12620167).

Almost surely, 250430253 is an apocalyptic number.

It is an amenable number.

50430253 is a deficient number, since it is larger than the sum of its proper divisors (50415).

50430253 is a wasteful number, since it uses less digits than its factorization.

50430253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50414.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 50430253 is about 7101.4261243781. The cubic root of 50430253 is about 369.4568436556.

Adding to 50430253 its reverse (35203405), we get a palindrome (85633658).

The spelling of 50430253 in words is "fifty million, four hundred thirty thousand, two hundred fifty-three".

Divisors: 1 1021 49393 50430253