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53394173 = 721089677
BaseRepresentation
bin1100101110101…
…1101011111101
310201110201000222
43023223223331
5102132103143
65144231125
71215562100
oct313535375
9121421028
1053394173
1128159918
1215a6b4a5
13b0a62b1
14713c737
154a4a768
hex32ebafd

53394173 has 6 divisors (see below), whose sum is σ = 62111646. Its totient is φ = 45766392.

The previous prime is 53394169. The next prime is 53394179. The reversal of 53394173 is 37149335.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 5466244 = 6923^2 + 2338^2 .

It is not a de Polignac number, because 53394173 - 22 = 53394169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53394179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 544790 + ... + 544887.

It is an arithmetic number, because the mean of its divisors is an integer number (10351941).

Almost surely, 253394173 is an apocalyptic number.

It is an amenable number.

53394173 is a deficient number, since it is larger than the sum of its proper divisors (8717473).

53394173 is a wasteful number, since it uses less digits than its factorization.

53394173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089691 (or 1089684 counting only the distinct ones).

The product of its digits is 34020, while the sum is 35.

The square root of 53394173 is about 7307.1316533918. The cubic root of 53394173 is about 376.5574879575.

The spelling of 53394173 in words is "fifty-three million, three hundred ninety-four thousand, one hundred seventy-three".

Divisors: 1 7 49 1089677 7627739 53394173