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56753345 = 5115231973
BaseRepresentation
bin1101100001111…
…1110011000001
310221210100221202
43120133303001
5104012101340
65344230545
71256252435
oct330376301
9127710852
1056753345
112a0436a0
121700b455
13b9b127c
1477749c5
154eb0c15
hex361fcc1

56753345 has 16 divisors (see below), whose sum is σ = 74475072. Its totient is φ = 41175360.

The previous prime is 56753341. The next prime is 56753371. The reversal of 56753345 is 54335765.

It is not a de Polignac number, because 56753345 - 22 = 56753341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56753299 and 56753308.

It is not an unprimeable number, because it can be changed into a prime (56753341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27779 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (4654692).

Almost surely, 256753345 is an apocalyptic number.

56753345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56753345 is a deficient number, since it is larger than the sum of its proper divisors (17721727).

56753345 is a wasteful number, since it uses less digits than its factorization.

56753345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its digits is 189000, while the sum is 38.

The square root of 56753345 is about 7533.4815988360. The cubic root of 56753345 is about 384.2941923239.

The spelling of 56753345 in words is "fifty-six million, seven hundred fifty-three thousand, three hundred forty-five".

Divisors: 1 5 11 55 523 1973 2615 5753 9865 21703 28765 108515 1031879 5159395 11350669 56753345