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53492279 = 113473383
BaseRepresentation
bin1100110000001…
…1101000110111
310201122200121112
43030003220313
5102143223104
65150305235
71216451111
oct314035067
9121580545
1053492279
11282165a5
1215ab821b
13b10bb49
1471663b1
154a6986e
hex3303a37

53492279 has 4 divisors (see below), whose sum is σ = 53965776. Its totient is φ = 53018784.

The previous prime is 53492261. The next prime is 53492281. The reversal of 53492279 is 97229435.

53492279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97229435 = 519445887.

It is a cyclic number.

It is not a de Polignac number, because 53492279 - 216 = 53426743 is a prime.

It is a super-2 number, since 2×534922792 = 5722847825227682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53491279) 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 3 ways as a sum of consecutive naturals, for example, 236579 + ... + 236804.

It is an arithmetic number, because the mean of its divisors is an integer number (13491444).

Almost surely, 253492279 is an apocalyptic number.

53492279 is a deficient number, since it is larger than the sum of its proper divisors (473497).

53492279 is a wasteful number, since it uses less digits than its factorization.

53492279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473496.

The product of its digits is 136080, while the sum is 41.

The square root of 53492279 is about 7313.8416034257. The cubic root of 53492279 is about 376.7879746937.

The spelling of 53492279 in words is "fifty-three million, four hundred ninety-two thousand, two hundred seventy-nine".

Divisors: 1 113 473383 53492279