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56238337 = 291939253
BaseRepresentation
bin1101011010001…
…0000100000001
310220211012111101
43112202010001
5103344111322
65325214401
71252006111
oct326420401
9126735441
1056238337
1129821771
1216a01401
13b860a2c
14767d041
154e0d327
hex35a2101

56238337 has 4 divisors (see below), whose sum is σ = 58177620. Its totient is φ = 54299056.

The previous prime is 56238331. The next prime is 56238349. The reversal of 56238337 is 73383265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15992001 + 40246336 = 3999^2 + 6344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56238337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56238296 and 56238305.

It is not an unprimeable number, because it can be changed into a prime (56238331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969598 + ... + 969655.

It is an arithmetic number, because the mean of its divisors is an integer number (14544405).

Almost surely, 256238337 is an apocalyptic number.

It is an amenable number.

56238337 is a deficient number, since it is larger than the sum of its proper divisors (1939283).

56238337 is a wasteful number, since it uses less digits than its factorization.

56238337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939282.

The product of its digits is 90720, while the sum is 37.

The square root of 56238337 is about 7499.2224263586. Note that the first 3 decimals coincide. The cubic root of 56238337 is about 383.1282329829.

The spelling of 56238337 in words is "fifty-six million, two hundred thirty-eight thousand, three hundred thirty-seven".

Divisors: 1 29 1939253 56238337