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53386730 = 259835431
BaseRepresentation
bin1100101110100…
…1110111101010
310201110022211022
43023221313222
5102131333410
65144132442
71215531305
oct313516752
9121408738
1053386730
1128154271
1215a67122
13b0a2aa7
147139b3c
154a48455
hex32e9dea

53386730 has 16 divisors (see below), whose sum is σ = 96211584. Its totient is φ = 21329040.

The previous prime is 53386721. The next prime is 53386733. The reversal of 53386730 is 3768335.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53386733) 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, 7115 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (6013224).

Almost surely, 253386730 is an apocalyptic number.

53386730 is a deficient number, since it is larger than the sum of its proper divisors (42824854).

53386730 is a wasteful number, since it uses less digits than its factorization.

53386730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 53386730 is about 7306.6223386733. The cubic root of 53386730 is about 376.5399901204.

The spelling of 53386730 in words is "fifty-three million, three hundred eighty-six thousand, seven hundred thirty".

Divisors: 1 2 5 10 983 1966 4915 5431 9830 10862 27155 54310 5338673 10677346 26693365 53386730