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56004025 = 5271147619
BaseRepresentation
bin1101010110100…
…0110110111001
310220101022002011
43111220312321
5103314112100
65320205521
71250012020
oct325506671
9126338064
1056004025
1129681720
12169098a1
13b7ab19c
14761b8b7
154db3bba
hex3568db9

56004025 has 48 divisors (see below), whose sum is σ = 88565760. Its totient is φ = 34113600.

The previous prime is 56004023. The next prime is 56004037. The reversal of 56004025 is 52040065.

It is not a de Polignac number, because 56004025 - 21 = 56004023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56003987 and 56004005.

It is not an unprimeable number, because it can be changed into a prime (56004023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90166 + ... + 90784.

It is an arithmetic number, because the mean of its divisors is an integer number (1845120).

Almost surely, 256004025 is an apocalyptic number.

56004025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56004025 is a deficient number, since it is larger than the sum of its proper divisors (32561735).

56004025 is a wasteful number, since it uses less digits than its factorization.

56004025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 56004025 is about 7483.5837003404. The cubic root of 56004025 is about 382.5954024635.

It can be divided in two parts, 560040 and 25, that added together give a palindrome (560065).

The spelling of 56004025 in words is "fifty-six million, four thousand, twenty-five".

Divisors: 1 5 7 11 25 35 47 55 77 175 235 275 329 385 517 619 1175 1645 1925 2585 3095 3619 4333 6809 8225 12925 15475 18095 21665 29093 34045 47663 90475 108325 145465 170225 203651 238315 320023 727325 1018255 1191575 1600115 2240161 5091275 8000575 11200805 56004025