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53230345 = 5743113313
BaseRepresentation
bin1100101100001…
…1101100001001
310201011101022021
43023003230021
5102111332340
65140524441
71214310340
oct313035411
9121141267
1053230345
1128057823
12159b0721
13b04985c
1470d8b57
154a16e4a
hex32c3b09

53230345 has 32 divisors (see below), whose sum is σ = 75601152. Its totient is φ = 35223552.

The previous prime is 53230339. The next prime is 53230357. The reversal of 53230345 is 54303235.

It is a happy number.

It is not a de Polignac number, because 53230345 - 23 = 53230337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169909 + ... + 170221.

It is an arithmetic number, because the mean of its divisors is an integer number (2362536).

Almost surely, 253230345 is an apocalyptic number.

It is an amenable number.

53230345 is a deficient number, since it is larger than the sum of its proper divisors (22370807).

53230345 is a wasteful number, since it uses less digits than its factorization.

53230345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 53230345 is about 7295.9128969581. The cubic root of 53230345 is about 376.1719660982.

The spelling of 53230345 in words is "fifty-three million, two hundred thirty thousand, three hundred forty-five".

Divisors: 1 5 7 35 43 113 215 301 313 565 791 1505 1565 2191 3955 4859 10955 13459 24295 34013 35369 67295 94213 170065 176845 247583 471065 1237915 1520867 7604335 10646069 53230345