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53344369 = 1329141497
BaseRepresentation
bin1100101101111…
…1100001110001
310201101011201101
43023133201301
5102124004434
65143204401
71215263641
oct313374161
9121334641
1053344369
1128125461
1215a46701
13b089720
147128521
154a3ab14
hex32df871

53344369 has 8 divisors (see below), whose sum is σ = 59429160. Its totient is φ = 47542656.

The previous prime is 53344363. The next prime is 53344373. The reversal of 53344369 is 96344335.

It can be written as a sum of positive squares in 4 ways, for example, as 15681600 + 37662769 = 3960^2 + 6137^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53344369 - 27 = 53344241 is a prime.

It is a super-2 number, since 2×533443692 = 5691243408016322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53344363) 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, 70372 + ... + 71125.

It is an arithmetic number, because the mean of its divisors is an integer number (7428645).

Almost surely, 253344369 is an apocalyptic number.

It is an amenable number.

53344369 is a deficient number, since it is larger than the sum of its proper divisors (6084791).

53344369 is a wasteful number, since it uses less digits than its factorization.

53344369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141539.

The product of its digits is 116640, while the sum is 37.

The square root of 53344369 is about 7303.7229547677. The cubic root of 53344369 is about 376.4403721618.

The spelling of 53344369 in words is "fifty-three million, three hundred forty-four thousand, three hundred sixty-nine".

Divisors: 1 13 29 377 141497 1839461 4103413 53344369