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53305045 = 529367621
BaseRepresentation
bin1100101101010…
…1111011010101
310201022011202221
43023111323111
5102121230140
65142302341
71215041203
oct313257325
9121264687
1053305045
11280a8962
1215a279b1
13b074861
147118073
154a2e14a
hex32d5ed5

53305045 has 8 divisors (see below), whose sum is σ = 66171960. Its totient is φ = 41173440.

The previous prime is 53305039. The next prime is 53305061. The reversal of 53305045 is 54050335.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5846724 + 47458321 = 2418^2 + 6889^2 .

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

It is not a de Polignac number, because 53305045 - 27 = 53304917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183666 + ... + 183955.

It is an arithmetic number, because the mean of its divisors is an integer number (8271495).

Almost surely, 253305045 is an apocalyptic number.

It is an amenable number.

53305045 is a deficient number, since it is larger than the sum of its proper divisors (12866915).

53305045 is a wasteful number, since it uses less digits than its factorization.

53305045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367655.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53305045 is about 7301.0304067303. The cubic root of 53305045 is about 376.3478489305.

The spelling of 53305045 in words is "fifty-three million, three hundred five thousand, forty-five".

Divisors: 1 5 29 145 367621 1838105 10661009 53305045