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53630073 = 337436599
BaseRepresentation
bin1100110010010…
…1010001111001
310201220200122000
43030211101321
5102212130243
65153251213
71220563620
oct314452171
9121820560
1053630073
1128300082
1215b63b09
13b159793
1471a06b7
154a955d3
hex3325479

53630073 has 32 divisors (see below), whose sum is σ = 92928000. Its totient is φ = 29928528.

The previous prime is 53630047. The next prime is 53630111. The reversal of 53630073 is 37003635.

53630073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53630073 - 28 = 53629817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4828 + ... + 11426.

It is an arithmetic number, because the mean of its divisors is an integer number (2904000).

Almost surely, 253630073 is an apocalyptic number.

It is an amenable number.

53630073 is a deficient number, since it is larger than the sum of its proper divisors (39297927).

53630073 is a wasteful number, since it uses less digits than its factorization.

53630073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658 (or 6652 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 53630073 is about 7323.2556284756. The cubic root of 53630073 is about 377.1112276086. Note that the first 3 decimals are identical.

The spelling of 53630073 in words is "fifty-three million, six hundred thirty thousand, seventy-three".

Divisors: 1 3 7 9 21 27 43 63 129 189 301 387 903 1161 2709 6599 8127 19797 46193 59391 138579 178173 283757 415737 851271 1247211 1986299 2553813 5958897 7661439 17876691 53630073