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53368449 = 341942457
BaseRepresentation
bin1100101110010…
…1011010000001
310201102101202020
43023211122001
5102130242244
65143512053
71215424101
oct313453201
9121371666
1053368449
1128141562
1215a58629
13b097684
147133201
154a42d19
hex32e5681

53368449 has 8 divisors (see below), whose sum is σ = 71329440. Its totient is φ = 35493216.

The previous prime is 53368421. The next prime is 53368451. The reversal of 53368449 is 94486335.

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

It is not a de Polignac number, because 53368449 - 213 = 53360257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53368449.

It is not an unprimeable number, because it can be changed into a prime (53368849) 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, 19972 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (8916180).

Almost surely, 253368449 is an apocalyptic number.

It is an amenable number.

53368449 is a deficient number, since it is larger than the sum of its proper divisors (17960991).

53368449 is a wasteful number, since it uses less digits than its factorization.

53368449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42879.

The product of its digits is 311040, while the sum is 42.

The square root of 53368449 is about 7305.3712431334. The cubic root of 53368449 is about 376.4970061966.

The spelling of 53368449 in words is "fifty-three million, three hundred sixty-eight thousand, four hundred forty-nine".

Divisors: 1 3 419 1257 42457 127371 17789483 53368449