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53798397 = 319193889
BaseRepresentation
bin1100110100111…
…0010111111101
310202020020112020
43031032113331
5102233022042
65201030353
71222164432
oct315162775
9122206466
1053798397
1128405594
12160253b9
13b1b8293
147205b89
154aca3ec
hex334e5fd

53798397 has 8 divisors (see below), whose sum is σ = 72107520. Its totient is φ = 35677440.

The previous prime is 53798351. The next prime is 53798399. The reversal of 53798397 is 79389735.

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 53798397 - 28 = 53798141 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53798399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46372 + ... + 47517.

It is an arithmetic number, because the mean of its divisors is an integer number (9013440).

Almost surely, 253798397 is an apocalyptic number.

It is an amenable number.

53798397 is a deficient number, since it is larger than the sum of its proper divisors (18309123).

53798397 is a wasteful number, since it uses less digits than its factorization.

53798397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94083.

The product of its digits is 1428840, while the sum is 51.

The square root of 53798397 is about 7334.7390546631. The cubic root of 53798397 is about 377.5053508591.

The spelling of 53798397 in words is "fifty-three million, seven hundred ninety-eight thousand, three hundred ninety-seven".

Divisors: 1 3 191 573 93889 281667 17932799 53798397