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52730453 = 198931183
BaseRepresentation
bin1100100100100…
…1101001010101
310200012222120202
43021021221111
5101444333303
65122110245
71210126046
oct311115125
9120188522
1052730453
1127846196
12157ab385
13ac03169
1470088cd
154968c88
hex3249a55

52730453 has 8 divisors (see below), whose sum is σ = 56131200. Its totient is φ = 49392288.

The previous prime is 52730449. The next prime is 52730477. The reversal of 52730453 is 35403725.

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

It is a cyclic number.

It is not a de Polignac number, because 52730453 - 22 = 52730449 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 (52733453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13901 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (7016400).

Almost surely, 252730453 is an apocalyptic number.

It is an amenable number.

52730453 is a deficient number, since it is larger than the sum of its proper divisors (3400747).

52730453 is a wasteful number, since it uses less digits than its factorization.

52730453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31291.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 52730453 is about 7261.5737275056. The cubic root of 52730453 is about 374.9907031769.

The spelling of 52730453 in words is "fifty-two million, seven hundred thirty thousand, four hundred fifty-three".

Divisors: 1 19 89 1691 31183 592477 2775287 52730453