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53205434 = 2191400143
BaseRepresentation
bin1100101011110…
…1100110111010
310201010010010122
43022331212322
5102110033214
65140213242
71214144612
oct312754672
9121103118
1053205434
1128040037
121599a222
13b03b409
1470cda42
154a0e88e
hex32bd9ba

53205434 has 8 divisors (see below), whose sum is σ = 84008640. Its totient is φ = 25202556.

The previous prime is 53205403. The next prime is 53205469. The reversal of 53205434 is 43450235.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700034 + ... + 700109.

It is an arithmetic number, because the mean of its divisors is an integer number (10501080).

Almost surely, 253205434 is an apocalyptic number.

53205434 is a deficient number, since it is larger than the sum of its proper divisors (30803206).

53205434 is a wasteful number, since it uses less digits than its factorization.

53205434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400164.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53205434 is about 7294.2055084841. The cubic root of 53205434 is about 376.1132760032.

Adding to 53205434 its reverse (43450235), we get a palindrome (96655669).

The spelling of 53205434 in words is "fifty-three million, two hundred five thousand, four hundred thirty-four".

Divisors: 1 2 19 38 1400143 2800286 26602717 53205434