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53453830 = 255345383
BaseRepresentation
bin1100101111101…
…0010000000110
310201120201212111
43023322100012
5102141010310
65145411234
71216231033
oct313722006
9121521774
1053453830
112819a721
1215a99b1a
13b0c74b1
14715638a
154a5d28a
hex32fa406

53453830 has 8 divisors (see below), whose sum is σ = 96216912. Its totient is φ = 21381528.

The previous prime is 53453819. The next prime is 53453837. The reversal of 53453830 is 3835435.

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

It is a junction number, because it is equal to n+sod(n) for n = 53453792 and 53453801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53453837) 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, 2672682 + ... + 2672701.

It is an arithmetic number, because the mean of its divisors is an integer number (12027114).

Almost surely, 253453830 is an apocalyptic number.

53453830 is a deficient number, since it is larger than the sum of its proper divisors (42763082).

53453830 is a wasteful number, since it uses less digits than its factorization.

53453830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345390.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53453830 is about 7311.2126217201. The cubic root of 53453830 is about 376.6976775923.

The spelling of 53453830 in words is "fifty-three million, four hundred fifty-three thousand, eight hundred thirty".

Divisors: 1 2 5 10 5345383 10690766 26726915 53453830