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53097289 = 729261563
BaseRepresentation
bin1100101010001…
…1001101001001
310200220121210021
43022203031021
5102043103124
65134020441
71213214410
oct312431511
9120817707
1053097289
1127a76863
1215947721
13b00111b
1470a2477
1549dc7e4
hex32a3349

53097289 has 8 divisors (see below), whose sum is σ = 62775360. Its totient is φ = 43942416.

The previous prime is 53097287. The next prime is 53097323. The reversal of 53097289 is 98279035.

It is a happy number.

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

It is not a de Polignac number, because 53097289 - 21 = 53097287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53097283) 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, 130579 + ... + 130984.

It is an arithmetic number, because the mean of its divisors is an integer number (7846920).

Almost surely, 253097289 is an apocalyptic number.

It is an amenable number.

53097289 is a deficient number, since it is larger than the sum of its proper divisors (9678071).

53097289 is a wasteful number, since it uses less digits than its factorization.

53097289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261599.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 53097289 is about 7286.7886616808. The cubic root of 53097289 is about 375.8582747326.

The spelling of 53097289 in words is "fifty-three million, ninety-seven thousand, two hundred eighty-nine".

Divisors: 1 7 29 203 261563 1830941 7585327 53097289