Search a number
-
+
56025005 = 519358057
BaseRepresentation
bin1101010110110…
…1111110101101
310220102100212012
43111231332231
5103320300010
65320451005
71250130131
oct325557655
9126370765
1056025005
1129696463
1216919a65
13b7b78ba
1476253c1
154dba005
hex356dfad

56025005 has 8 divisors (see below), whose sum is σ = 67579512. Its totient is φ = 44587008.

The previous prime is 56024999. The next prime is 56025007. The reversal of 56025005 is 50052065.

It can be written as a sum of positive squares in 4 ways, for example, as 1590121 + 54434884 = 1261^2 + 7378^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56025005 - 24 = 56024989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56025007) 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, 28064 + ... + 29993.

It is an arithmetic number, because the mean of its divisors is an integer number (8447439).

Almost surely, 256025005 is an apocalyptic number.

It is an amenable number.

56025005 is a deficient number, since it is larger than the sum of its proper divisors (11554507).

56025005 is a wasteful number, since it uses less digits than its factorization.

56025005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58255.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 56025005 is about 7484.9853039268. The cubic root of 56025005 is about 382.6431719433.

The spelling of 56025005 in words is "fifty-six million, twenty-five thousand, five".

Divisors: 1 5 193 965 58057 290285 11205001 56025005