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53769289 = 710397393
BaseRepresentation
bin1100110100011…
…1010001001001
310202011202121011
43031013101021
5102231104124
65200243521
71222013530
oct315072111
9122152534
1053769289
1128395732
12160105a1
13b1a7c62
1471d9317
154ac1994
hex3347449

53769289 has 8 divisors (see below), whose sum is σ = 61518080. Its totient is φ = 46037376.

The previous prime is 53769271. The next prime is 53769293. The reversal of 53769289 is 98296735.

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

It is not a de Polignac number, because 53769289 - 25 = 53769257 is a prime.

It is a super-2 number, since 2×537692892 = 5782272879131042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53769229) 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, 3577 + ... + 10969.

It is an arithmetic number, because the mean of its divisors is an integer number (7689760).

Almost surely, 253769289 is an apocalyptic number.

It is an amenable number.

53769289 is a deficient number, since it is larger than the sum of its proper divisors (7748791).

53769289 is a wasteful number, since it uses less digits than its factorization.

53769289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its digits is 816480, while the sum is 49.

The square root of 53769289 is about 7332.7545301885. The cubic root of 53769289 is about 377.4372546037.

The spelling of 53769289 in words is "fifty-three million, seven hundred sixty-nine thousand, two hundred eighty-nine".

Divisors: 1 7 1039 7273 7393 51751 7681327 53769289